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Diffstat (limited to 'src/docs/useless_vec.txt')
| -rw-r--r-- | src/docs/useless_vec.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/docs/useless_vec.txt b/src/docs/useless_vec.txt new file mode 100644 index 00000000000..ee5afc99e4b --- /dev/null +++ b/src/docs/useless_vec.txt @@ -0,0 +1,18 @@ +### What it does +Checks for usage of `&vec![..]` when using `&[..]` would +be possible. + +### Why is this bad? +This is less efficient. + +### Example +``` +fn foo(_x: &[u8]) {} + +foo(&vec![1, 2]); +``` + +Use instead: +``` +foo(&[1, 2]); +``` \ No newline at end of file |
