matches::matches!
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macro_rules! matches { ($expression: expr, $($pattern:tt)+) => { _tt_as_expr_hack! { match $expression { $($pattern)+ => true, _ => false } } } }
macro_rules! matches { ($expression: expr, $($pattern:tt)+) => { _tt_as_expr_hack! { match $expression { $($pattern)+ => true, _ => false } } } }
Prefix searches with a type followed by a colon (e.g.
fn:) to restrict the search to a given type.
Accepted types are: fn, mod,
struct, enum,
trait, typedef (or
tdef).