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Diffstat (limited to 'src/tools/clippy/src/docs/useless_let_if_seq.txt')
-rw-r--r-- | src/tools/clippy/src/docs/useless_let_if_seq.txt | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/useless_let_if_seq.txt b/src/tools/clippy/src/docs/useless_let_if_seq.txt new file mode 100644 index 000000000..c6dcd57eb --- /dev/null +++ b/src/tools/clippy/src/docs/useless_let_if_seq.txt @@ -0,0 +1,39 @@ +### What it does +Checks for variable declarations immediately followed by a +conditional affectation. + +### Why is this bad? +This is not idiomatic Rust. + +### Example +``` +let foo; + +if bar() { + foo = 42; +} else { + foo = 0; +} + +let mut baz = None; + +if bar() { + baz = Some(42); +} +``` + +should be written + +``` +let foo = if bar() { + 42 +} else { + 0 +}; + +let baz = if bar() { + Some(42) +} else { + None +}; +```
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