Struct rustc_hir::def_id::LocalDefId
source · pub struct LocalDefId {
pub local_def_index: DefIndex,
}Expand description
A LocalDefId is equivalent to a DefId with krate == LOCAL_CRATE. Since
we encode this information in the type, we can ensure at compile time that
no DefIds from upstream crates get thrown into the mix. There are quite a
few cases where we know that only DefIds from the local crate are expected;
a DefId from a different crate would signify a bug somewhere. This
is when LocalDefId comes in handy.
Fields
local_def_index: DefIndexAuto Trait Implementations
impl RefUnwindSafe for LocalDefId
impl Send for LocalDefId
impl Sync for LocalDefId
impl Unpin for LocalDefId
impl UnwindSafe for LocalDefId
Blanket Implementations
sourceimpl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere
T: Copy,
impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere
T: Copy,
fn allocate_on(self, arena: &'a Arena<'tcx>) -> &'a mut T
fn allocate_from_iter(
arena: &'a Arena<'tcx>,
iter: impl IntoIterator<Item = T>
) -> &'a mut [T]ⓘNotable traits for &[u8]impl Read for &[u8]impl Write for &mut [u8]
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
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: 4 bytes