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Diffstat (limited to 'src/tools/clippy/src/docs/collapsible_str_replace.txt')
-rw-r--r-- | src/tools/clippy/src/docs/collapsible_str_replace.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/collapsible_str_replace.txt b/src/tools/clippy/src/docs/collapsible_str_replace.txt new file mode 100644 index 000000000..c24c25a30 --- /dev/null +++ b/src/tools/clippy/src/docs/collapsible_str_replace.txt @@ -0,0 +1,19 @@ +### What it does +Checks for consecutive calls to `str::replace` (2 or more) +that can be collapsed into a single call. + +### Why is this bad? +Consecutive `str::replace` calls scan the string multiple times +with repetitive code. + +### Example +``` +let hello = "hesuo worpd" + .replace('s', "l") + .replace("u", "l") + .replace('p', "l"); +``` +Use instead: +``` +let hello = "hesuo worpd".replace(&['s', 'u', 'p'], "l"); +```
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