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Diffstat (limited to 'src/tools/clippy/src/docs/from_iter_instead_of_collect.txt')
-rw-r--r-- | src/tools/clippy/src/docs/from_iter_instead_of_collect.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/from_iter_instead_of_collect.txt b/src/tools/clippy/src/docs/from_iter_instead_of_collect.txt new file mode 100644 index 000000000..f3fd27597 --- /dev/null +++ b/src/tools/clippy/src/docs/from_iter_instead_of_collect.txt @@ -0,0 +1,24 @@ +### What it does +Checks for `from_iter()` function calls on types that implement the `FromIterator` +trait. + +### Why is this bad? +It is recommended style to use collect. See +[FromIterator documentation](https://doc.rust-lang.org/std/iter/trait.FromIterator.html) + +### Example +``` +let five_fives = std::iter::repeat(5).take(5); + +let v = Vec::from_iter(five_fives); + +assert_eq!(v, vec![5, 5, 5, 5, 5]); +``` +Use instead: +``` +let five_fives = std::iter::repeat(5).take(5); + +let v: Vec<i32> = five_fives.collect(); + +assert_eq!(v, vec![5, 5, 5, 5, 5]); +```
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