C-enhancementE-needs-testS-needs-discussiongood first issue
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描述
param_attrs is likely to be stabilized in Rust 1.39
The param_attrs feature is going to allow lint attributes on function, method and closure parameters:
fn foo(
a: i32,
#[allow(unused_variables)] b: i32,
) {}
We should review how this feature ties in with our existing lints. Apparently it did not cause any toolstate breakage when it was merged.
Specifically, we should create a list of lints that could benefit from parameter attributes and then update those lints to make use of them (if that's even required).