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Diffstat (limited to 'src/tools/clippy/src/docs/implicit_return.txt')
-rw-r--r-- | src/tools/clippy/src/docs/implicit_return.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/implicit_return.txt b/src/tools/clippy/src/docs/implicit_return.txt new file mode 100644 index 000000000..ee65a636b --- /dev/null +++ b/src/tools/clippy/src/docs/implicit_return.txt @@ -0,0 +1,22 @@ +### What it does +Checks for missing return statements at the end of a block. + +### Why is this bad? +Actually omitting the return keyword is idiomatic Rust code. Programmers +coming from other languages might prefer the expressiveness of `return`. It's possible to miss +the last returning statement because the only difference is a missing `;`. Especially in bigger +code with multiple return paths having a `return` keyword makes it easier to find the +corresponding statements. + +### Example +``` +fn foo(x: usize) -> usize { + x +} +``` +add return +``` +fn foo(x: usize) -> usize { + return x; +} +```
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