* A new facility for enabling experimental features (feature gating) has
been added, using the crate-level `#[feature(foo)]` attribute.
* Managed boxes (@) are now behind a feature gate
- (`#[feature(managed_boxes)]`) in preperation for future removal. Use the
+ (`#[feature(managed_boxes)]`) in preparation for future removal. Use the
standard library's `Gc` or `Rc` types instead.
* `@mut` has been removed. Use `std::cell::{Cell, RefCell}` instead.
* Jumping back to the top of a loop is now done with `continue` instead of
* std: `fmt::Default` can be implemented for any type to provide default
formatting to the `format!` macro, as in `format!("{}", myfoo)`.
* std: The `rand` API continues to be tweaked.
- * std: The `rust_begin_unwind` function, useful for insterting breakpoints
+ * std: The `rust_begin_unwind` function, useful for inserting breakpoints
on failure in gdb, is now named `rust_fail`.
* std: The `each_key` and `each_value` methods on `HashMap` have been
replaced by the `keys` and `values` iterators.
extensible interfaces and is now implemented by two different crates:
libnative, for native threading and I/O; and libgreen, for green threading
and I/O. This paves the way for using the standard library in more limited
- embeded environments.
+ embedded environments.
* std: The `comm` module has been rewritten to be much faster, have a
simpler, more consistent API, and to work for both native and green
threading.