Function rustc_mir::hair::pattern::_match::is_useful_specialized [−][src]
fn is_useful_specialized<'p, 'a: 'p, 'tcx: 'a>(
cx: &mut MatchCheckCtxt<'a, 'tcx>,
Matrix: &Matrix<'p, 'tcx>,
v: &[&'p Pattern<'tcx>],
ctor: Constructor<'tcx>,
lty: Ty<'tcx>,
witness: WitnessPreference
) -> Usefulness<'tcx>
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?