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Diffstat (limited to 'src/tools/clippy/src/docs/mem_replace_with_default.txt')
-rw-r--r-- | src/tools/clippy/src/docs/mem_replace_with_default.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/mem_replace_with_default.txt b/src/tools/clippy/src/docs/mem_replace_with_default.txt new file mode 100644 index 000000000..24e0913a3 --- /dev/null +++ b/src/tools/clippy/src/docs/mem_replace_with_default.txt @@ -0,0 +1,18 @@ +### What it does +Checks for `std::mem::replace` on a value of type +`T` with `T::default()`. + +### Why is this bad? +`std::mem` module already has the method `take` to +take the current value and replace it with the default value of that type. + +### Example +``` +let mut text = String::from("foo"); +let replaced = std::mem::replace(&mut text, String::default()); +``` +Is better expressed with: +``` +let mut text = String::from("foo"); +let taken = std::mem::take(&mut text); +```
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