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-rw-r--r-- | src/tools/clippy/src/docs/chars_next_cmp.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/chars_next_cmp.txt b/src/tools/clippy/src/docs/chars_next_cmp.txt new file mode 100644 index 000000000..77cbce2de --- /dev/null +++ b/src/tools/clippy/src/docs/chars_next_cmp.txt @@ -0,0 +1,19 @@ +### What it does +Checks for usage of `.chars().next()` on a `str` to check +if it starts with a given char. + +### Why is this bad? +Readability, this can be written more concisely as +`_.starts_with(_)`. + +### Example +``` +let name = "foo"; +if name.chars().next() == Some('_') {}; +``` + +Use instead: +``` +let name = "foo"; +if name.starts_with('_') {}; +```
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