Enum rustc_hir::hir::MaybeOwner

pub enum MaybeOwner<'tcx> {
    Owner(&'tcx OwnerInfo<'tcx>),
    NonOwner(HirId),
    Phantom,
}

Variants

Owner(&'tcx OwnerInfo<'tcx>)

NonOwner(HirId)

Phantom

Used as a placeholder for unused LocalDefId.

Implementations

impl<'tcx> MaybeOwner<'tcx>

pub fn as_owner(self) -> Option<&'tcx OwnerInfo<'tcx>>

pub fn unwrap(self) -> &'tcx OwnerInfo<'tcx>

Trait Implementations

impl<'tcx> Clone for MaybeOwner<'tcx>

fn clone(&self) -> MaybeOwner<'tcx>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'tcx> Debug for MaybeOwner<'tcx>

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

Formats the value using the given formatter.

impl<'tcx, __CTX> HashStable<__CTX> for MaybeOwner<'tcx>

where __CTX: HashStableContext,

fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)

impl<'tcx> Copy for MaybeOwner<'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: 16 bytes

Size for each variant:

• Owner: 12 bytes
• NonOwner: 8 bytes
• Phantom: 0 bytes