-# Change Log
+# Changelog
All notable changes to this project will be documented in this file.
See [Changelog Update](doc/changelog_update.md) if you want to update this
## Unreleased / In Rust Nightly
-[891e1a8...master](https://github.com/rust-lang/rust-clippy/compare/891e1a8...master)
+[b20d4c1...master](https://github.com/rust-lang/rust-clippy/compare/b20d4c1...master)
+
+## Rust 1.49
+
+Current beta, release 2020-12-31
+
+[e636b88...b20d4c1](https://github.com/rust-lang/rust-clippy/compare/e636b88...b20d4c1)
+
+### New Lints
+
+* [`field_reassign_with_default`] [#5911](https://github.com/rust-lang/rust-clippy/pull/5911)
+* [`await_holding_refcell_ref`] [#6029](https://github.com/rust-lang/rust-clippy/pull/6029)
+* [`disallowed_method`] [#6081](https://github.com/rust-lang/rust-clippy/pull/6081)
+* [`inline_asm_x86_att_syntax`] [#6092](https://github.com/rust-lang/rust-clippy/pull/6092)
+* [`inline_asm_x86_intel_syntax`] [#6092](https://github.com/rust-lang/rust-clippy/pull/6092)
+* [`from_iter_instead_of_collect`] [#6101](https://github.com/rust-lang/rust-clippy/pull/6101)
+* [`mut_mutex_lock`] [#6103](https://github.com/rust-lang/rust-clippy/pull/6103)
+* [`single_element_loop`] [#6109](https://github.com/rust-lang/rust-clippy/pull/6109)
+* [`manual_unwrap_or`] [#6123](https://github.com/rust-lang/rust-clippy/pull/6123)
+* [`large_types_passed_by_value`] [#6135](https://github.com/rust-lang/rust-clippy/pull/6135)
+* [`result_unit_err`] [#6157](https://github.com/rust-lang/rust-clippy/pull/6157)
+* [`ref_option_ref`] [#6165](https://github.com/rust-lang/rust-clippy/pull/6165)
+* [`manual_range_contains`] [#6177](https://github.com/rust-lang/rust-clippy/pull/6177)
+* [`unusual_byte_groupings`] [#6183](https://github.com/rust-lang/rust-clippy/pull/6183)
+* [`comparison_to_empty`] [#6226](https://github.com/rust-lang/rust-clippy/pull/6226)
+* [`map_collect_result_unit`] [#6227](https://github.com/rust-lang/rust-clippy/pull/6227)
+* [`manual_ok_or`] [#6233](https://github.com/rust-lang/rust-clippy/pull/6233)
+
+### Moves and Deprecations
+
+* Rename `single_char_push_str` to [`single_char_add_str`]
+ [#6037](https://github.com/rust-lang/rust-clippy/pull/6037)
+* Rename `zero_width_space` to [`invisible_characters`]
+ [#6105](https://github.com/rust-lang/rust-clippy/pull/6105)
+* Deprecate [`drop_bounds`] (uplifted)
+ [#6111](https://github.com/rust-lang/rust-clippy/pull/6111)
+* Move [`string_lit_as_bytes`] to `nursery`
+ [#6117](https://github.com/rust-lang/rust-clippy/pull/6117)
+* Move [`rc_buffer`] to `restriction`
+ [#6128](https://github.com/rust-lang/rust-clippy/pull/6128)
+
+### Enhancements
+
+* [`manual_memcpy`]: Also lint when there are loop counters (and produce a
+ reliable suggestion)
+ [#5727](https://github.com/rust-lang/rust-clippy/pull/5727)
+* [`single_char_add_str`]: Also lint on `String::insert_str`
+ [#6037](https://github.com/rust-lang/rust-clippy/pull/6037)
+* [`invisible_characters`]: Also lint the characters `\u{AD}` and `\u{2060}`
+ [#6105](https://github.com/rust-lang/rust-clippy/pull/6105)
+* [`eq_op`]: Also lint on the `assert_*!` macro family
+ [#6167](https://github.com/rust-lang/rust-clippy/pull/6167)
+* [`items_after_statements`]: Also lint in local macro expansions
+ [#6176](https://github.com/rust-lang/rust-clippy/pull/6176)
+* [`unnecessary_cast`]: Also lint casts on integer and float literals
+ [#6187](https://github.com/rust-lang/rust-clippy/pull/6187)
+* [`manual_unwrap_or`]: Also lint `Result::unwrap_or`
+ [#6190](https://github.com/rust-lang/rust-clippy/pull/6190)
+* [`match_like_matches_macro`]: Also lint when `match` has more than two arms
+ [#6216](https://github.com/rust-lang/rust-clippy/pull/6216)
+* [`integer_arithmetic`]: Better handle `/` an `%` operators
+ [#6229](https://github.com/rust-lang/rust-clippy/pull/6229)
+
+### False Positive Fixes
+
+* [`needless_lifetimes`]: Bail out if the function has a `where` clause with the
+ lifetime [#5978](https://github.com/rust-lang/rust-clippy/pull/5978)
+* [`explicit_counter_loop`]: No longer lints, when loop counter is used after it
+ is incremented [#6076](https://github.com/rust-lang/rust-clippy/pull/6076)
+* [`or_fun_call`]: Revert changes addressing the handling of `const fn`
+ [#6077](https://github.com/rust-lang/rust-clippy/pull/6077)
+* [`needless_range_loop`]: No longer lints, when the iterable is used in the
+ range [#6102](https://github.com/rust-lang/rust-clippy/pull/6102)
+* [`inconsistent_digit_grouping`]: Fix bug when using floating point exponent
+ [#6104](https://github.com/rust-lang/rust-clippy/pull/6104)
+* [`mistyped_literal_suffixes`]: No longer lints on the fractional part of a
+ float (e.g. `713.32_64`)
+ [#6114](https://github.com/rust-lang/rust-clippy/pull/6114)
+* [`invalid_regex`]: No longer lint on unicode characters within `bytes::Regex`
+ [#6132](https://github.com/rust-lang/rust-clippy/pull/6132)
+* [`boxed_local`]: No longer lints on `extern fn` arguments
+ [#6133](https://github.com/rust-lang/rust-clippy/pull/6133)
+* [`needless_lifetimes`]: Fix regression, where lifetime is used in `where`
+ clause [#6198](https://github.com/rust-lang/rust-clippy/pull/6198)
+
+### Suggestion Fixes/Improvements
+
+* [`unnecessary_sort_by`]: Avoid dereferencing the suggested closure parameter
+ [#6078](https://github.com/rust-lang/rust-clippy/pull/6078)
+* [`needless_arbitrary_self_type`]: Correctly handle expanded code
+ [#6093](https://github.com/rust-lang/rust-clippy/pull/6093)
+* [`useless_format`]: Preserve raw strings in suggestion
+ [#6151](https://github.com/rust-lang/rust-clippy/pull/6151)
+* [`empty_loop`]: Suggest alternatives
+ [#6162](https://github.com/rust-lang/rust-clippy/pull/6162)
+* [`borrowed_box`]: Correctly add parentheses in suggestion
+ [#6200](https://github.com/rust-lang/rust-clippy/pull/6200)
+* [`unused_unit`]: Improve suggestion formatting
+ [#6247](https://github.com/rust-lang/rust-clippy/pull/6247)
+
+### Documentation Improvements
+
+* Some doc improvements:
+ * [`rc_buffer`] [#6090](https://github.com/rust-lang/rust-clippy/pull/6090)
+ * [`empty_loop`] [#6162](https://github.com/rust-lang/rust-clippy/pull/6162)
+* [`doc_markdown`]: Document problematic link text style
+ [#6107](https://github.com/rust-lang/rust-clippy/pull/6107)
+
+## Rust 1.48
+
+Current stable, released 2020-11-19
+
+[09bd400...e636b88](https://github.com/rust-lang/rust-clippy/compare/09bd400...e636b88)
+
+### New lints
+
+* [`self_assignment`] [#5894](https://github.com/rust-lang/rust-clippy/pull/5894)
+* [`unnecessary_lazy_evaluations`] [#5720](https://github.com/rust-lang/rust-clippy/pull/5720)
+* [`manual_strip`] [#6038](https://github.com/rust-lang/rust-clippy/pull/6038)
+* [`map_err_ignore`] [#5998](https://github.com/rust-lang/rust-clippy/pull/5998)
+* [`rc_buffer`] [#6044](https://github.com/rust-lang/rust-clippy/pull/6044)
+* [`to_string_in_display`] [#5831](https://github.com/rust-lang/rust-clippy/pull/5831)
+* `single_char_push_str` [#5881](https://github.com/rust-lang/rust-clippy/pull/5881)
+
+### Moves and Deprecations
+
+* Downgrade [`verbose_bit_mask`] to pedantic
+ [#6036](https://github.com/rust-lang/rust-clippy/pull/6036)
+
+### Enhancements
+
+* Extend [`precedence`] to handle chains of methods combined with unary negation
+ [#5928](https://github.com/rust-lang/rust-clippy/pull/5928)
+* [`useless_vec`]: add a configuration value for the maximum allowed size on the stack
+ [#5907](https://github.com/rust-lang/rust-clippy/pull/5907)
+* [`suspicious_arithmetic_impl`]: extend to implementations of `BitAnd`, `BitOr`, `BitXor`, `Rem`, `Shl`, and `Shr`
+ [#5884](https://github.com/rust-lang/rust-clippy/pull/5884)
+* [`invalid_atomic_ordering`]: detect misuse of `compare_exchange`, `compare_exchange_weak`, and `fetch_update`
+ [#6025](https://github.com/rust-lang/rust-clippy/pull/6025)
+* Avoid [`redundant_pattern_matching`] triggering in macros
+ [#6069](https://github.com/rust-lang/rust-clippy/pull/6069)
+* [`option_if_let_else`]: distinguish pure from impure `else` expressions
+ [#5937](https://github.com/rust-lang/rust-clippy/pull/5937)
+* [`needless_doctest_main`]: parse doctests instead of using textual search
+ [#5912](https://github.com/rust-lang/rust-clippy/pull/5912)
+* [`wildcard_imports`]: allow `prelude` to appear in any segment of an import
+ [#5929](https://github.com/rust-lang/rust-clippy/pull/5929)
+* Re-enable [`len_zero`] for ranges now that `range_is_empty` is stable
+ [#5961](https://github.com/rust-lang/rust-clippy/pull/5961)
+* [`option_as_ref_deref`]: catch fully-qualified calls to `Deref::deref` and `DerefMut::deref_mut`
+ [#5933](https://github.com/rust-lang/rust-clippy/pull/5933)
+
+### False Positive Fixes
+
+* [`useless_attribute`]: permit allowing [`wildcard_imports`] and [`enum_glob_use`]
+ [#5994](https://github.com/rust-lang/rust-clippy/pull/5994)
+* [`transmute_ptr_to_ptr`]: avoid suggesting dereferencing raw pointers in const contexts
+ [#5999](https://github.com/rust-lang/rust-clippy/pull/5999)
+* [`redundant_closure_call`]: take into account usages of the closure in nested functions and closures
+ [#5920](https://github.com/rust-lang/rust-clippy/pull/5920)
+* Fix false positive in [`borrow_interior_mutable_const`] when referencing a field behind a pointer
+ [#5949](https://github.com/rust-lang/rust-clippy/pull/5949)
+* [`doc_markdown`]: allow using "GraphQL" without backticks
+ [#5996](https://github.com/rust-lang/rust-clippy/pull/5996)
+* [`to_string_in_display`]: avoid linting when calling `to_string()` on anything that is not `self`
+ [#5971](https://github.com/rust-lang/rust-clippy/pull/5971)
+* [`indexing_slicing`] and [`out_of_bounds_indexing`] treat references to arrays as arrays
+ [#6034](https://github.com/rust-lang/rust-clippy/pull/6034)
+* [`should_implement_trait`]: ignore methods with lifetime parameters
+ [#5725](https://github.com/rust-lang/rust-clippy/pull/5725)
+* [`needless_return`]: avoid linting if a temporary borrows a local variable
+ [#5903](https://github.com/rust-lang/rust-clippy/pull/5903)
+* Restrict [`unnecessary_sort_by`] to non-reference, Copy types
+ [#6006](https://github.com/rust-lang/rust-clippy/pull/6006)
+* Avoid suggesting `from_bits`/`to_bits` in const contexts in [`transmute_int_to_float`]
+ [#5919](https://github.com/rust-lang/rust-clippy/pull/5919)
+* [`declare_interior_mutable_const`] and [`borrow_interior_mutable_const`]: improve detection of interior mutable types
+ [#6046](https://github.com/rust-lang/rust-clippy/pull/6046)
+
+### Suggestion Fixes/Improvements
+
+* [`let_and_return`]: add a cast to the suggestion when the return expression has adjustments
+ [#5946](https://github.com/rust-lang/rust-clippy/pull/5946)
+* [`useless_conversion`]: show the type in the error message
+ [#6035](https://github.com/rust-lang/rust-clippy/pull/6035)
+* [`unnecessary_mut_passed`]: discriminate between functions and methods in the error message
+ [#5892](https://github.com/rust-lang/rust-clippy/pull/5892)
+* [`float_cmp`] and [`float_cmp_const`]: change wording to make margin of error less ambiguous
+ [#6043](https://github.com/rust-lang/rust-clippy/pull/6043)
+* [`default_trait_access`]: do not use unnecessary type parameters in the suggestion
+ [#5993](https://github.com/rust-lang/rust-clippy/pull/5993)
+* [`collapsible_if`]: don't use expanded code in the suggestion
+ [#5992](https://github.com/rust-lang/rust-clippy/pull/5992)
+* Do not suggest empty format strings in [`print_with_newline`] and [`write_with_newline`]
+ [#6042](https://github.com/rust-lang/rust-clippy/pull/6042)
+* [`unit_arg`]: improve the readability of the suggestion
+ [#5931](https://github.com/rust-lang/rust-clippy/pull/5931)
+* [`stable_sort_primitive`]: print the type that is being sorted in the lint message
+ [#5935](https://github.com/rust-lang/rust-clippy/pull/5935)
+* Show line count and max lines in [`too_many_lines`] lint message
+ [#6009](https://github.com/rust-lang/rust-clippy/pull/6009)
+* Keep parentheses in the suggestion of [`useless_conversion`] where applicable
+ [#5900](https://github.com/rust-lang/rust-clippy/pull/5900)
+* [`option_map_unit_fn`] and [`result_map_unit_fn`]: print the unit type `()` explicitly
+ [#6024](https://github.com/rust-lang/rust-clippy/pull/6024)
+* [`redundant_allocation`]: suggest replacing `Rc<Box<T>>` with `Rc<T>`
+ [#5899](https://github.com/rust-lang/rust-clippy/pull/5899)
+* Make lint messages adhere to rustc dev guide conventions
+ [#5893](https://github.com/rust-lang/rust-clippy/pull/5893)
+
+### ICE Fixes
+
+* Fix ICE in [`repeat_once`]
+ [#5948](https://github.com/rust-lang/rust-clippy/pull/5948)
+
+### Documentation Improvements
+
+* [`mutable_key_type`]: explain potential for false positives when the interior mutable type is not accessed in the `Hash` implementation
+ [#6019](https://github.com/rust-lang/rust-clippy/pull/6019)
+* [`unnecessary_mut_passed`]: fix typo
+ [#5913](https://github.com/rust-lang/rust-clippy/pull/5913)
+* Add example of false positive to [`ptr_arg`] docs.
+ [#5885](https://github.com/rust-lang/rust-clippy/pull/5885)
+* [`box_vec`], [`vec_box`] and [`borrowed_box`]: add link to the documentation of `Box`
+ [#6023](https://github.com/rust-lang/rust-clippy/pull/6023)
+
+## Rust 1.47
+
+Released 2020-10-08
+
+[c2c07fa...09bd400](https://github.com/rust-lang/rust-clippy/compare/c2c07fa...09bd400)
+
+### New lints
+
+* [`derive_ord_xor_partial_ord`] [#5848](https://github.com/rust-lang/rust-clippy/pull/5848)
+* [`trait_duplication_in_bounds`] [#5852](https://github.com/rust-lang/rust-clippy/pull/5852)
+* [`map_identity`] [#5694](https://github.com/rust-lang/rust-clippy/pull/5694)
+* [`unit_return_expecting_ord`] [#5737](https://github.com/rust-lang/rust-clippy/pull/5737)
+* [`pattern_type_mismatch`] [#4841](https://github.com/rust-lang/rust-clippy/pull/4841)
+* [`repeat_once`] [#5773](https://github.com/rust-lang/rust-clippy/pull/5773)
+* [`same_item_push`] [#5825](https://github.com/rust-lang/rust-clippy/pull/5825)
+* [`needless_arbitrary_self_type`] [#5869](https://github.com/rust-lang/rust-clippy/pull/5869)
+* [`match_like_matches_macro`] [#5769](https://github.com/rust-lang/rust-clippy/pull/5769)
+* [`stable_sort_primitive`] [#5809](https://github.com/rust-lang/rust-clippy/pull/5809)
+* [`blanket_clippy_restriction_lints`] [#5750](https://github.com/rust-lang/rust-clippy/pull/5750)
+* [`option_if_let_else`] [#5301](https://github.com/rust-lang/rust-clippy/pull/5301)
+
+### Moves and Deprecations
+
+* Deprecate [`regex_macro`] lint
+ [#5760](https://github.com/rust-lang/rust-clippy/pull/5760)
+* Move [`range_minus_one`] to `pedantic`
+ [#5752](https://github.com/rust-lang/rust-clippy/pull/5752)
+
+### Enhancements
+
+* Improve [`needless_collect`] by catching `collect` calls followed by `iter` or `into_iter` calls
+ [#5837](https://github.com/rust-lang/rust-clippy/pull/5837)
+* [`panic`], [`todo`], [`unimplemented`] and [`unreachable`] now detect calls with formatting
+ [#5811](https://github.com/rust-lang/rust-clippy/pull/5811)
+* Detect more cases of [`suboptimal_flops`] and [`imprecise_flops`]
+ [#5443](https://github.com/rust-lang/rust-clippy/pull/5443)
+* Handle asymmetrical implementations of `PartialEq` in [`cmp_owned`]
+ [#5701](https://github.com/rust-lang/rust-clippy/pull/5701)
+* Make it possible to allow [`unsafe_derive_deserialize`]
+ [#5870](https://github.com/rust-lang/rust-clippy/pull/5870)
+* Catch `ord.min(a).max(b)` where a < b in [`min_max`]
+ [#5871](https://github.com/rust-lang/rust-clippy/pull/5871)
+* Make [`clone_on_copy`] suggestion machine applicable
+ [#5745](https://github.com/rust-lang/rust-clippy/pull/5745)
+* Enable [`len_zero`] on ranges now that `is_empty` is stable on them
+ [#5961](https://github.com/rust-lang/rust-clippy/pull/5961)
+
+### False Positive Fixes
+
+* Avoid triggering [`or_fun_call`] with const fns that take no arguments
+ [#5889](https://github.com/rust-lang/rust-clippy/pull/5889)
+* Fix [`redundant_closure_call`] false positive for closures that have multiple calls
+ [#5800](https://github.com/rust-lang/rust-clippy/pull/5800)
+* Don't lint cases involving `ManuallyDrop` in [`redundant_clone`]
+ [#5824](https://github.com/rust-lang/rust-clippy/pull/5824)
+* Treat a single expression the same as a single statement in the 2nd arm of a match in [`single_match_else`]
+ [#5771](https://github.com/rust-lang/rust-clippy/pull/5771)
+* Don't trigger [`unnested_or_patterns`] if the feature `or_patterns` is not enabled
+ [#5758](https://github.com/rust-lang/rust-clippy/pull/5758)
+* Avoid linting if key borrows in [`unnecessary_sort_by`]
+ [#5756](https://github.com/rust-lang/rust-clippy/pull/5756)
+* Consider `Try` impl for `Poll` when generating suggestions in [`try_err`]
+ [#5857](https://github.com/rust-lang/rust-clippy/pull/5857)
+* Take input lifetimes into account in `manual_async_fn`
+ [#5859](https://github.com/rust-lang/rust-clippy/pull/5859)
+* Fix multiple false positives in [`type_repetition_in_bounds`] and add a configuration option
+ [#5761](https://github.com/rust-lang/rust-clippy/pull/5761)
+* Limit the [`suspicious_arithmetic_impl`] lint to one binary operation
+ [#5820](https://github.com/rust-lang/rust-clippy/pull/5820)
+
+### Suggestion Fixes/Improvements
+
+* Improve readability of [`shadow_unrelated`] suggestion by truncating the RHS snippet
+ [#5788](https://github.com/rust-lang/rust-clippy/pull/5788)
+* Suggest `filter_map` instead of `flat_map` when mapping to `Option` in [`map_flatten`]
+ [#5846](https://github.com/rust-lang/rust-clippy/pull/5846)
+* Ensure suggestion is shown correctly for long method call chains in [`iter_nth_zero`]
+ [#5793](https://github.com/rust-lang/rust-clippy/pull/5793)
+* Drop borrow operator in suggestions of [`redundant_pattern_matching`]
+ [#5815](https://github.com/rust-lang/rust-clippy/pull/5815)
+* Add suggestion for [`iter_skip_next`]
+ [#5843](https://github.com/rust-lang/rust-clippy/pull/5843)
+* Improve [`collapsible_if`] fix suggestion
+ [#5732](https://github.com/rust-lang/rust-clippy/pull/5732)
+
+### ICE Fixes
+
+* Fix ICE caused by [`needless_collect`]
+ [#5877](https://github.com/rust-lang/rust-clippy/pull/5877)
+* Fix ICE caused by [`unnested_or_patterns`]
+ [#5784](https://github.com/rust-lang/rust-clippy/pull/5784)
+
+### Documentation Improvements
+
+* Fix grammar of [`await_holding_lock`] documentation
+ [#5748](https://github.com/rust-lang/rust-clippy/pull/5748)
+
+### Others
+
+* Make lints adhere to the rustc dev guide
+ [#5888](https://github.com/rust-lang/rust-clippy/pull/5888)
+
+## Rust 1.46
+
+Released 2020-08-27
+
+[7ea7cd1...c2c07fa](https://github.com/rust-lang/rust-clippy/compare/7ea7cd1...c2c07fa)
+
+### New lints
+
+* [`unnested_or_patterns`] [#5378](https://github.com/rust-lang/rust-clippy/pull/5378)
+* [`iter_next_slice`] [#5597](https://github.com/rust-lang/rust-clippy/pull/5597)
+* [`unnecessary_sort_by`] [#5623](https://github.com/rust-lang/rust-clippy/pull/5623)
+* [`vec_resize_to_zero`] [#5637](https://github.com/rust-lang/rust-clippy/pull/5637)
+
+### Moves and Deprecations
+
+* Move [`cast_ptr_alignment`] to pedantic [#5667](https://github.com/rust-lang/rust-clippy/pull/5667)
+
+### Enhancements
+
+* Improve [`mem_replace_with_uninit`] lint [#5695](https://github.com/rust-lang/rust-clippy/pull/5695)
+
+### False Positive Fixes
+
+* [`len_zero`]: Avoid linting ranges when the `range_is_empty` feature is not enabled
+ [#5656](https://github.com/rust-lang/rust-clippy/pull/5656)
+* [`let_and_return`]: Don't lint if a temporary borrow is involved
+ [#5680](https://github.com/rust-lang/rust-clippy/pull/5680)
+* [`reversed_empty_ranges`]: Avoid linting `N..N` in for loop arguments in
+ [#5692](https://github.com/rust-lang/rust-clippy/pull/5692)
+* [`if_same_then_else`]: Don't assume multiplication is always commutative
+ [#5702](https://github.com/rust-lang/rust-clippy/pull/5702)
+* [`blacklisted_name`]: Remove `bar` from the default configuration
+ [#5712](https://github.com/rust-lang/rust-clippy/pull/5712)
+* [`redundant_pattern_matching`]: Avoid suggesting non-`const fn` calls in const contexts
+ [#5724](https://github.com/rust-lang/rust-clippy/pull/5724)
+
+### Suggestion Fixes/Improvements
+
+* Fix suggestion of [`unit_arg`] lint, so that it suggest semantic equivalent code
+ [#4455](https://github.com/rust-lang/rust-clippy/pull/4455)
+* Add auto applicable suggestion to [`macro_use_imports`]
+ [#5279](https://github.com/rust-lang/rust-clippy/pull/5279)
+
+### ICE Fixes
+
+* Fix ICE in the `consts` module of Clippy [#5709](https://github.com/rust-lang/rust-clippy/pull/5709)
+
+### Documentation Improvements
+
+* Improve code examples across multiple lints [#5664](https://github.com/rust-lang/rust-clippy/pull/5664)
+
+### Others
+
+* Introduce a `--rustc` flag to `clippy-driver`, which turns `clippy-driver`
+ into `rustc` and passes all the given arguments to `rustc`. This is especially
+ useful for tools that need the `rustc` version Clippy was compiled with,
+ instead of the Clippy version. E.g. `clippy-driver --rustc --version` will
+ print the output of `rustc --version`.
+ [#5178](https://github.com/rust-lang/rust-clippy/pull/5178)
+* New issue templates now make it easier to complain if Clippy is too annoying
+ or not annoying enough! [#5735](https://github.com/rust-lang/rust-clippy/pull/5735)
+
+## Rust 1.45
+
+Released 2020-07-16
+
+[891e1a8...7ea7cd1](https://github.com/rust-lang/rust-clippy/compare/891e1a8...7ea7cd1)
+
+### New lints
+
+* [`match_wildcard_for_single_variants`] [#5582](https://github.com/rust-lang/rust-clippy/pull/5582)
+* [`unsafe_derive_deserialize`] [#5493](https://github.com/rust-lang/rust-clippy/pull/5493)
+* [`if_let_mutex`] [#5332](https://github.com/rust-lang/rust-clippy/pull/5332)
+* [`mismatched_target_os`] [#5506](https://github.com/rust-lang/rust-clippy/pull/5506)
+* [`await_holding_lock`] [#5439](https://github.com/rust-lang/rust-clippy/pull/5439)
+* [`match_on_vec_items`] [#5522](https://github.com/rust-lang/rust-clippy/pull/5522)
+* [`manual_async_fn`] [#5576](https://github.com/rust-lang/rust-clippy/pull/5576)
+* [`reversed_empty_ranges`] [#5583](https://github.com/rust-lang/rust-clippy/pull/5583)
+* [`manual_non_exhaustive`] [#5550](https://github.com/rust-lang/rust-clippy/pull/5550)
+
+### Moves and Deprecations
+
+* Downgrade [`match_bool`] to pedantic [#5408](https://github.com/rust-lang/rust-clippy/pull/5408)
+* Downgrade [`match_wild_err_arm`] to pedantic and update help messages. [#5622](https://github.com/rust-lang/rust-clippy/pull/5622)
+* Downgrade [`useless_let_if_seq`] to nursery. [#5599](https://github.com/rust-lang/rust-clippy/pull/5599)
+* Generalize `option_and_then_some` and rename to [`bind_instead_of_map`]. [#5529](https://github.com/rust-lang/rust-clippy/pull/5529)
+* Rename `identity_conversion` to [`useless_conversion`]. [#5568](https://github.com/rust-lang/rust-clippy/pull/5568)
+* Merge `block_in_if_condition_expr` and `block_in_if_condition_stmt` into [`blocks_in_if_conditions`].
+[#5563](https://github.com/rust-lang/rust-clippy/pull/5563)
+* Merge `option_map_unwrap_or`, `option_map_unwrap_or_else` and `result_map_unwrap_or_else` into [`map_unwrap_or`].
+[#5563](https://github.com/rust-lang/rust-clippy/pull/5563)
+* Merge `option_unwrap_used` and `result_unwrap_used` into [`unwrap_used`].
+[#5563](https://github.com/rust-lang/rust-clippy/pull/5563)
+* Merge `option_expect_used` and `result_expect_used` into [`expect_used`].
+[#5563](https://github.com/rust-lang/rust-clippy/pull/5563)
+* Merge `for_loop_over_option` and `for_loop_over_result` into [`for_loops_over_fallibles`].
+[#5563](https://github.com/rust-lang/rust-clippy/pull/5563)
+
+### Enhancements
+
+* Avoid running cargo lints when not enabled to improve performance. [#5505](https://github.com/rust-lang/rust-clippy/pull/5505)
+* Extend [`useless_conversion`] with `TryFrom` and `TryInto`. [#5631](https://github.com/rust-lang/rust-clippy/pull/5631)
+* Lint also in type parameters and where clauses in [`unused_unit`]. [#5592](https://github.com/rust-lang/rust-clippy/pull/5592)
+* Do not suggest deriving `Default` in [`new_without_default`]. [#5616](https://github.com/rust-lang/rust-clippy/pull/5616)
+
+### False Positive Fixes
+
+* [`while_let_on_iterator`] [#5525](https://github.com/rust-lang/rust-clippy/pull/5525)
+* [`empty_line_after_outer_attr`] [#5609](https://github.com/rust-lang/rust-clippy/pull/5609)
+* [`unnecessary_unwrap`] [#5558](https://github.com/rust-lang/rust-clippy/pull/5558)
+* [`comparison_chain`] [#5596](https://github.com/rust-lang/rust-clippy/pull/5596)
+* Don't trigger [`used_underscore_binding`] in await desugaring. [#5535](https://github.com/rust-lang/rust-clippy/pull/5535)
+* Don't trigger [`borrowed_box`] on mutable references. [#5491](https://github.com/rust-lang/rust-clippy/pull/5491)
+* Allow `1 << 0` in [`identity_op`]. [#5602](https://github.com/rust-lang/rust-clippy/pull/5602)
+* Allow `use super::*;` glob imports in [`wildcard_imports`]. [#5564](https://github.com/rust-lang/rust-clippy/pull/5564)
+* Whitelist more words in [`doc_markdown`]. [#5611](https://github.com/rust-lang/rust-clippy/pull/5611)
+* Skip dev and build deps in [`multiple_crate_versions`]. [#5636](https://github.com/rust-lang/rust-clippy/pull/5636)
+* Honor `allow` attribute on arguments in [`ptr_arg`]. [#5647](https://github.com/rust-lang/rust-clippy/pull/5647)
+* Honor lint level attributes for [`redundant_field_names`], [`just_underscores_and_digits`], [`many_single_char_names`]
+and [`similar_names`]. [#5651](https://github.com/rust-lang/rust-clippy/pull/5651)
+* Ignore calls to `len` in [`or_fun_call`]. [#4429](https://github.com/rust-lang/rust-clippy/pull/4429)
+
+### Suggestion Improvements
+
+* Simplify suggestions in [`manual_memcpy`]. [#5536](https://github.com/rust-lang/rust-clippy/pull/5536)
+* Fix suggestion in [`redundant_pattern_matching`] for macros. [#5511](https://github.com/rust-lang/rust-clippy/pull/5511)
+* Avoid suggesting `copied()` for mutable references in [`map_clone`]. [#5530](https://github.com/rust-lang/rust-clippy/pull/5530)
+* Improve help message for [`clone_double_ref`]. [#5547](https://github.com/rust-lang/rust-clippy/pull/5547)
+
+### ICE Fixes
+
+* Fix ICE caused in unwrap module. [#5590](https://github.com/rust-lang/rust-clippy/pull/5590)
+* Fix ICE on rustc test issue-69020-assoc-const-arith-overflow.rs [#5499](https://github.com/rust-lang/rust-clippy/pull/5499)
+
+### Documentation
+
+* Clarify the documentation of [`unnecessary_mut_passed`]. [#5639](https://github.com/rust-lang/rust-clippy/pull/5639)
+* Extend example for [`unneeded_field_pattern`]. [#5541](https://github.com/rust-lang/rust-clippy/pull/5541)
## Rust 1.44
-Current beta, release 2020-06-04
+Released 2020-06-04
[204bb9b...891e1a8](https://github.com/rust-lang/rust-clippy/compare/204bb9b...891e1a8)
### Enhancements
+* On _nightly_ you can now use `cargo clippy --fix -Z unstable-options` to
+ auto-fix lints that support this [#5363](https://github.com/rust-lang/rust-clippy/pull/5363)
* Make [`redundant_clone`] also trigger on cases where the cloned value is not
consumed. [#5304](https://github.com/rust-lang/rust-clippy/pull/5304)
* Expand [`integer_arithmetic`] to also disallow bit-shifting [#5430](https://github.com/rust-lang/rust-clippy/pull/5430)
## Rust 1.43
-Current stable, released 2020-04-23
+Released 2020-04-23
[4ee1206...204bb9b](https://github.com/rust-lang/rust-clippy/compare/4ee1206...204bb9b)
### Suggestion Improvements
-* [`option_map_unwrap_or`] [#4634](https://github.com/rust-lang/rust-clippy/pull/4634)
+* `option_map_unwrap_or` [#4634](https://github.com/rust-lang/rust-clippy/pull/4634)
* [`wildcard_enum_match_arm`] [#4934](https://github.com/rust-lang/rust-clippy/pull/4934)
* [`cognitive_complexity`] [#4935](https://github.com/rust-lang/rust-clippy/pull/4935)
* [`decimal_literal_representation`] [#4956](https://github.com/rust-lang/rust-clippy/pull/4956)
* [`panic`] [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
* [`unreachable`] [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
* [`todo`] [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
- * [`option_expect_used`] [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
- * [`result_expect_used`] [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
+ * `option_expect_used` [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
+ * `result_expect_used` [#4657](https://github.com/rust-lang/rust-clippy/pull/4657)
* Move `redundant_clone` to perf group [#4509](https://github.com/rust-lang/rust-clippy/pull/4509)
* Move `manual_mul_add` to nursery group [#4736](https://github.com/rust-lang/rust-clippy/pull/4736)
* Expand `unit_cmp` to also work with `assert_eq!`, `debug_assert_eq!`, `assert_ne!` and `debug_assert_ne!` [#4613](https://github.com/rust-lang/rust-clippy/pull/4613)
* [`missing_safety_doc`] [#4535](https://github.com/rust-lang/rust-clippy/pull/4535)
* [`mem_replace_with_uninit`] [#4511](https://github.com/rust-lang/rust-clippy/pull/4511)
* [`suspicious_map`] [#4394](https://github.com/rust-lang/rust-clippy/pull/4394)
- * [`option_and_then_some`] [#4386](https://github.com/rust-lang/rust-clippy/pull/4386)
+ * `option_and_then_some` [#4386](https://github.com/rust-lang/rust-clippy/pull/4386)
* [`manual_saturating_arithmetic`] [#4498](https://github.com/rust-lang/rust-clippy/pull/4498)
* Deprecate `unused_collect` lint. This is fully covered by rustc's `#[must_use]` on `collect` [#4348](https://github.com/rust-lang/rust-clippy/pull/4348)
* Move `type_repetition_in_bounds` to pedantic group [#4403](https://github.com/rust-lang/rust-clippy/pull/4403)
* Fix false positive in [`useless_attribute`] [#4107](https://github.com/rust-lang/rust-clippy/pull/4107)
* Fix incorrect suggestion for [`float_cmp`] [#4214](https://github.com/rust-lang/rust-clippy/pull/4214)
* Add suggestions for [`print_with_newline`] and [`write_with_newline`] [#4136](https://github.com/rust-lang/rust-clippy/pull/4136)
-* Improve suggestions for [`option_map_unwrap_or_else`] and [`result_map_unwrap_or_else`] [#4164](https://github.com/rust-lang/rust-clippy/pull/4164)
+* Improve suggestions for `option_map_unwrap_or_else` and `result_map_unwrap_or_else` [#4164](https://github.com/rust-lang/rust-clippy/pull/4164)
* Improve suggestions for [`non_ascii_literal`] [#4119](https://github.com/rust-lang/rust-clippy/pull/4119)
* Improve diagnostics for [`let_and_return`] [#4137](https://github.com/rust-lang/rust-clippy/pull/4137)
* Improve diagnostics for [`trivially_copy_pass_by_ref`] [#4071](https://github.com/rust-lang/rust-clippy/pull/4071)
* Fix false positive in [`needless_range_loop`] pertaining to structs without a `.iter()`
* Fix false positive in [`bool_comparison`] pertaining to non-bool types
* Fix false positive in [`redundant_closure`] pertaining to differences in borrows
-* Fix false positive in [`option_map_unwrap_or`] on non-copy types
+* Fix false positive in `option_map_unwrap_or` on non-copy types
* Fix false positives in [`missing_const_for_fn`] pertaining to macros and trait method impls
* Fix false positive in [`needless_pass_by_value`] pertaining to procedural macros
* Fix false positive in [`needless_continue`] pertaining to loop labels
## 0.0.169
* Rustup to *rustc 1.23.0-nightly (3b82e4c74 2017-11-05)*
-* New lints: [`just_underscores_and_digits`], [`result_map_unwrap_or_else`], [`transmute_bytes_to_str`]
+* New lints: [`just_underscores_and_digits`], `result_map_unwrap_or_else`, [`transmute_bytes_to_str`]
## 0.0.168
* Rustup to *rustc 1.23.0-nightly (f0fe716db 2017-10-30)*
## 0.0.166
* Rustup to *rustc 1.22.0-nightly (b7960878b 2017-10-18)*
-* New lints: [`explicit_write`], [`identity_conversion`], [`implicit_hasher`], [`invalid_ref`], [`option_map_or_none`],
+* New lints: [`explicit_write`], `identity_conversion`, [`implicit_hasher`], [`invalid_ref`], [`option_map_or_none`],
[`range_minus_one`], [`range_plus_one`], [`transmute_int_to_bool`], [`transmute_int_to_char`],
[`transmute_int_to_float`]
## 0.0.93 — 2016-10-03
* Rustup to *rustc 1.14.0-nightly (144af3e97 2016-10-02)*
-* [`option_map_unwrap_or`] and [`option_map_unwrap_or_else`] are now
+* `option_map_unwrap_or` and `option_map_unwrap_or_else` are now
allowed by default.
* New lint: [`explicit_into_iter_loop`]
## 0.0.88 — 2016-09-04
* Rustup to *rustc 1.13.0-nightly (70598e04f 2016-09-03)*
* The following lints are not new but were only usable through the `clippy`
- lint groups: [`filter_next`], [`for_loop_over_option`],
- [`for_loop_over_result`] and [`match_overlapping_arm`]. You should now be
+ lint groups: [`filter_next`], `for_loop_over_option`,
+ `for_loop_over_result` and [`match_overlapping_arm`]. You should now be
able to `#[allow/deny]` them individually and they are available directly
through `cargo clippy`.
[`assertions_on_constants`]: https://rust-lang.github.io/rust-clippy/master/index.html#assertions_on_constants
[`assign_op_pattern`]: https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[`assign_ops`]: https://rust-lang.github.io/rust-clippy/master/index.html#assign_ops
+[`async_yields_async`]: https://rust-lang.github.io/rust-clippy/master/index.html#async_yields_async
+[`await_holding_lock`]: https://rust-lang.github.io/rust-clippy/master/index.html#await_holding_lock
+[`await_holding_refcell_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#await_holding_refcell_ref
[`bad_bit_mask`]: https://rust-lang.github.io/rust-clippy/master/index.html#bad_bit_mask
+[`bind_instead_of_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#bind_instead_of_map
[`blacklisted_name`]: https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
-[`block_in_if_condition_expr`]: https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_expr
-[`block_in_if_condition_stmt`]: https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
+[`blanket_clippy_restriction_lints`]: https://rust-lang.github.io/rust-clippy/master/index.html#blanket_clippy_restriction_lints
+[`blocks_in_if_conditions`]: https://rust-lang.github.io/rust-clippy/master/index.html#blocks_in_if_conditions
[`bool_comparison`]: https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[`borrow_interior_mutable_const`]: https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[`borrowed_box`]: https://rust-lang.github.io/rust-clippy/master/index.html#borrowed_box
[`cmp_owned`]: https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[`cognitive_complexity`]: https://rust-lang.github.io/rust-clippy/master/index.html#cognitive_complexity
[`collapsible_if`]: https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
+[`collapsible_match`]: https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[`comparison_chain`]: https://rust-lang.github.io/rust-clippy/master/index.html#comparison_chain
+[`comparison_to_empty`]: https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[`copy_iterator`]: https://rust-lang.github.io/rust-clippy/master/index.html#copy_iterator
+[`create_dir`]: https://rust-lang.github.io/rust-clippy/master/index.html#create_dir
[`crosspointer_transmute`]: https://rust-lang.github.io/rust-clippy/master/index.html#crosspointer_transmute
[`dbg_macro`]: https://rust-lang.github.io/rust-clippy/master/index.html#dbg_macro
[`debug_assert_with_mut_call`]: https://rust-lang.github.io/rust-clippy/master/index.html#debug_assert_with_mut_call
[`deprecated_semver`]: https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_semver
[`deref_addrof`]: https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[`derive_hash_xor_eq`]: https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
+[`derive_ord_xor_partial_ord`]: https://rust-lang.github.io/rust-clippy/master/index.html#derive_ord_xor_partial_ord
+[`disallowed_method`]: https://rust-lang.github.io/rust-clippy/master/index.html#disallowed_method
[`diverging_sub_expression`]: https://rust-lang.github.io/rust-clippy/master/index.html#diverging_sub_expression
[`doc_markdown`]: https://rust-lang.github.io/rust-clippy/master/index.html#doc_markdown
[`double_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#double_comparisons
[`excessive_precision`]: https://rust-lang.github.io/rust-clippy/master/index.html#excessive_precision
[`exit`]: https://rust-lang.github.io/rust-clippy/master/index.html#exit
[`expect_fun_call`]: https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
+[`expect_used`]: https://rust-lang.github.io/rust-clippy/master/index.html#expect_used
[`expl_impl_clone_on_copy`]: https://rust-lang.github.io/rust-clippy/master/index.html#expl_impl_clone_on_copy
[`explicit_counter_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[`explicit_deref_methods`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_deref_methods
[`extend_from_slice`]: https://rust-lang.github.io/rust-clippy/master/index.html#extend_from_slice
[`extra_unused_lifetimes`]: https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[`fallible_impl_from`]: https://rust-lang.github.io/rust-clippy/master/index.html#fallible_impl_from
+[`field_reassign_with_default`]: https://rust-lang.github.io/rust-clippy/master/index.html#field_reassign_with_default
[`filetype_is_file`]: https://rust-lang.github.io/rust-clippy/master/index.html#filetype_is_file
[`filter_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#filter_map
[`filter_map_next`]: https://rust-lang.github.io/rust-clippy/master/index.html#filter_map_next
[`float_arithmetic`]: https://rust-lang.github.io/rust-clippy/master/index.html#float_arithmetic
[`float_cmp`]: https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[`float_cmp_const`]: https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp_const
+[`float_equality_without_abs`]: https://rust-lang.github.io/rust-clippy/master/index.html#float_equality_without_abs
[`fn_address_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#fn_address_comparisons
[`fn_params_excessive_bools`]: https://rust-lang.github.io/rust-clippy/master/index.html#fn_params_excessive_bools
[`fn_to_numeric_cast`]: https://rust-lang.github.io/rust-clippy/master/index.html#fn_to_numeric_cast
[`fn_to_numeric_cast_with_truncation`]: https://rust-lang.github.io/rust-clippy/master/index.html#fn_to_numeric_cast_with_truncation
[`for_kv_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
-[`for_loop_over_option`]: https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
-[`for_loop_over_result`]: https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_result
+[`for_loops_over_fallibles`]: https://rust-lang.github.io/rust-clippy/master/index.html#for_loops_over_fallibles
[`forget_copy`]: https://rust-lang.github.io/rust-clippy/master/index.html#forget_copy
[`forget_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#forget_ref
+[`from_iter_instead_of_collect`]: https://rust-lang.github.io/rust-clippy/master/index.html#from_iter_instead_of_collect
+[`from_over_into`]: https://rust-lang.github.io/rust-clippy/master/index.html#from_over_into
[`future_not_send`]: https://rust-lang.github.io/rust-clippy/master/index.html#future_not_send
[`get_last_with_len`]: https://rust-lang.github.io/rust-clippy/master/index.html#get_last_with_len
[`get_unwrap`]: https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
-[`identity_conversion`]: https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[`identity_op`]: https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
+[`if_let_mutex`]: https://rust-lang.github.io/rust-clippy/master/index.html#if_let_mutex
[`if_let_redundant_pattern_matching`]: https://rust-lang.github.io/rust-clippy/master/index.html#if_let_redundant_pattern_matching
[`if_let_some_result`]: https://rust-lang.github.io/rust-clippy/master/index.html#if_let_some_result
[`if_not_else`]: https://rust-lang.github.io/rust-clippy/master/index.html#if_not_else
[`inherent_to_string`]: https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string
[`inherent_to_string_shadow_display`]: https://rust-lang.github.io/rust-clippy/master/index.html#inherent_to_string_shadow_display
[`inline_always`]: https://rust-lang.github.io/rust-clippy/master/index.html#inline_always
+[`inline_asm_x86_att_syntax`]: https://rust-lang.github.io/rust-clippy/master/index.html#inline_asm_x86_att_syntax
+[`inline_asm_x86_intel_syntax`]: https://rust-lang.github.io/rust-clippy/master/index.html#inline_asm_x86_intel_syntax
[`inline_fn_without_body`]: https://rust-lang.github.io/rust-clippy/master/index.html#inline_fn_without_body
[`int_plus_one`]: https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[`integer_arithmetic`]: https://rust-lang.github.io/rust-clippy/master/index.html#integer_arithmetic
[`invalid_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#invalid_ref
[`invalid_regex`]: https://rust-lang.github.io/rust-clippy/master/index.html#invalid_regex
[`invalid_upcast_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#invalid_upcast_comparisons
+[`invisible_characters`]: https://rust-lang.github.io/rust-clippy/master/index.html#invisible_characters
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<!-- end autogenerated links to lint list -->
projects / rust.git / blobdiff