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Diffstat (limited to 'src/tools/clippy/src/docs/used_underscore_binding.txt')
-rw-r--r-- | src/tools/clippy/src/docs/used_underscore_binding.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/used_underscore_binding.txt b/src/tools/clippy/src/docs/used_underscore_binding.txt new file mode 100644 index 000000000..ed67c41eb --- /dev/null +++ b/src/tools/clippy/src/docs/used_underscore_binding.txt @@ -0,0 +1,19 @@ +### What it does +Checks for the use of bindings with a single leading +underscore. + +### Why is this bad? +A single leading underscore is usually used to indicate +that a binding will not be used. Using such a binding breaks this +expectation. + +### Known problems +The lint does not work properly with desugaring and +macro, it has been allowed in the mean time. + +### Example +``` +let _x = 0; +let y = _x + 1; // Here we are using `_x`, even though it has a leading + // underscore. We should rename `_x` to `x` +```
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