-error: called `filter(p).map(q)` on an `Iterator`. This is more succinctly expressed by calling `.filter_map(..)` instead.
- --> $DIR/filter_methods.rs:14:21
+error: called `filter(p).map(q)` on an `Iterator`
+ --> $DIR/filter_methods.rs:5:21
|
LL | let _: Vec<_> = vec![5; 6].into_iter().filter(|&x| x == 0).map(|x| x * 2).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::filter-map` implied by `-D warnings`
+ = help: this is more succinctly expressed by calling `.filter_map(..)` instead
-error: called `filter(p).flat_map(q)` on an `Iterator`. This is more succinctly expressed by calling `.flat_map(..)` and filtering by returning an empty Iterator.
- --> $DIR/filter_methods.rs:16:21
+error: called `filter(p).flat_map(q)` on an `Iterator`
+ --> $DIR/filter_methods.rs:7:21
|
LL | let _: Vec<_> = vec![5_i8; 6]
| _____________________^
LL | | .filter(|&x| x == 0)
LL | | .flat_map(|x| x.checked_mul(2))
| |_______________________________________^
+ |
+ = help: this is more succinctly expressed by calling `.flat_map(..)` and filtering by returning `iter::empty()`
-error: called `filter_map(p).flat_map(q)` on an `Iterator`. This is more succinctly expressed by calling `.flat_map(..)` and filtering by returning an empty Iterator.
- --> $DIR/filter_methods.rs:22:21
+error: called `filter_map(p).flat_map(q)` on an `Iterator`
+ --> $DIR/filter_methods.rs:13:21
|
LL | let _: Vec<_> = vec![5_i8; 6]
| _____________________^
LL | | .filter_map(|x| x.checked_mul(2))
LL | | .flat_map(|x| x.checked_mul(2))
| |_______________________________________^
+ |
+ = help: this is more succinctly expressed by calling `.flat_map(..)` and filtering by returning `iter::empty()`
-error: called `filter_map(p).map(q)` on an `Iterator`. This is more succinctly expressed by only calling `.filter_map(..)` instead.
- --> $DIR/filter_methods.rs:28:21
+error: called `filter_map(p).map(q)` on an `Iterator`
+ --> $DIR/filter_methods.rs:19:21
|
LL | let _: Vec<_> = vec![5_i8; 6]
| _____________________^
LL | | .filter_map(|x| x.checked_mul(2))
LL | | .map(|x| x.checked_mul(2))
| |__________________________________^
+ |
+ = help: this is more succinctly expressed by only calling `.filter_map(..)` instead
error: aborting due to 4 previous errors