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Add size-parameter to unecessary_box_returns #10651
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r? @xFrednet (rustbot has picked a reviewer for you, use r? to override) |
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LGTM, tiny nit related to the lint documentation comment. It requires some specific syntax. :)
clippy_lints/src/utils/conf.rs
Outdated
@@ -463,6 +463,10 @@ define_Conf! { | |||
/// | |||
/// The maximum byte size a `Future` can have, before it triggers the `clippy::large_futures` lint | |||
(future_size_threshold: u64 = 16 * 1024), | |||
/// Lint: UNNECESSARY_BOX_RETURNS, |
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/// Lint: UNNECESSARY_BOX_RETURNS, | |
/// Lint: UNNECESSARY_BOX_RETURNS. |
This list requires a dot at the end, to be parsed correctly. Once you do this, you also have to run cargo collect-matadata
to update the lint configuration list in our book.
Thank you! You can @bors delegate+ |
✌️ @lukaslueg can now approve this pull request |
@bors r=xFrednet |
☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test |
Fixes #10641
This adds a configuration-knob to the
unecessary_box_returns
-lint which allows not linting afn() -> Box<T>
ifT
is "large". The default byte size above which we no longer lint is 128 bytes (due to #4652 (comment), also used in #9373). The overall rational is given in #10641.changelog: Enhancement: [
unnecessary_box_returns
]: Added new lint configurationunnecessary-box-size
to set the maximum size ofT
inBox<T>
to be linted#10651