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| -rw-r--r-- | src/tools/clippy/src/docs/iter_on_empty_collections.txt | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/src/tools/clippy/src/docs/iter_on_empty_collections.txt b/src/tools/clippy/src/docs/iter_on_empty_collections.txt deleted file mode 100644 index 87c4ec12a..000000000 --- a/src/tools/clippy/src/docs/iter_on_empty_collections.txt +++ /dev/null @@ -1,25 +0,0 @@ -### What it does - -Checks for calls to `iter`, `iter_mut` or `into_iter` on empty collections - -### Why is this bad? - -It is simpler to use the empty function from the standard library: - -### Example - -``` -use std::{slice, option}; -let a: slice::Iter<i32> = [].iter(); -let f: option::IntoIter<i32> = None.into_iter(); -``` -Use instead: -``` -use std::iter; -let a: iter::Empty<i32> = iter::empty(); -let b: iter::Empty<i32> = iter::empty(); -``` - -### Known problems - -The type of the resulting iterator might become incompatible with its usage
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