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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
commit | 246f239d9f40f633160f0c18f87a20922d4e77bb (patch) | |
tree | 5a88572663584b3d4d28e5a20e10abab1be40884 /src/tools/clippy/src/docs/manual_map.txt | |
parent | Releasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip |
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/clippy/src/docs/manual_map.txt')
-rw-r--r-- | src/tools/clippy/src/docs/manual_map.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/manual_map.txt b/src/tools/clippy/src/docs/manual_map.txt new file mode 100644 index 000000000..7f68ccd10 --- /dev/null +++ b/src/tools/clippy/src/docs/manual_map.txt @@ -0,0 +1,17 @@ +### What it does +Checks for usages of `match` which could be implemented using `map` + +### Why is this bad? +Using the `map` method is clearer and more concise. + +### Example +``` +match Some(0) { + Some(x) => Some(x + 1), + None => None, +}; +``` +Use instead: +``` +Some(0).map(|x| x + 1); +```
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