Struct rustc_mir_build::thir::pattern::usefulness::MatchArm

pub(crate) struct MatchArm<'p, 'tcx> {
    pub(crate) pat: &'p DeconstructedPat<'p, 'tcx>,
    pub(crate) hir_id: HirId,
    pub(crate) has_guard: bool,
}

The arm of a match expression.

Fields

pat: &'p DeconstructedPat<'p, 'tcx>

The pattern must have been lowered through check_match::MatchVisitor::lower_pattern.

hir_id: HirId

has_guard: bool

Trait Implementations

impl<'p, 'tcx> Clone for MatchArm<'p, 'tcx>

fn clone(&self) -> MatchArm<'p, 'tcx>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'p, 'tcx> Debug for MatchArm<'p, 'tcx>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'p, 'tcx> Copy for MatchArm<'p, 'tcx>

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes