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-rw-r--r-- | src/tools/clippy/src/docs/single_element_loop.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/single_element_loop.txt b/src/tools/clippy/src/docs/single_element_loop.txt new file mode 100644 index 000000000..6f0c15a85 --- /dev/null +++ b/src/tools/clippy/src/docs/single_element_loop.txt @@ -0,0 +1,21 @@ +### What it does +Checks whether a for loop has a single element. + +### Why is this bad? +There is no reason to have a loop of a +single element. + +### Example +``` +let item1 = 2; +for item in &[item1] { + println!("{}", item); +} +``` + +Use instead: +``` +let item1 = 2; +let item = &item1; +println!("{}", item); +```
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