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is_def_must_use
rustc_
lint
1.96.0-beta.5
(a5a9a5438 2026-05-01)
In rustc_
lint::
unused::
must_
use
rustc_lint
::
unused
::
must_use
Function
is_
def_
must_
use
Copy item path
Source
fn is_def_must_use( cx: &
LateContext
<'_>, def_id:
DefId
, span:
Span
, ) ->
Option
<
MustUsePath
>