Variants
DefaultReturn(Span)
Return type is not specified.
Functions default to ()
and
closures default to inference. Span points to where return
type would be inserted.
Return(&'hir Ty<'hir>)
Everything else.
Implementations
Trait Implementations
sourceimpl<'hir, __CTX> HashStable<__CTX> for FnRetTy<'hir>where
__CTX: HashStableContext,
impl<'hir, __CTX> HashStable<__CTX> for FnRetTy<'hir>where
__CTX: HashStableContext,
fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)
Auto Trait Implementations
impl<'hir> RefUnwindSafe for FnRetTy<'hir>
impl<'hir> !Send for FnRetTy<'hir>
impl<'hir> !Sync for FnRetTy<'hir>
impl<'hir> Unpin for FnRetTy<'hir>
impl<'hir> UnwindSafe for FnRetTy<'hir>
Blanket Implementations
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: 16 bytes
Size for each variant:
DefaultReturn
: 8 bytesReturn
: 12 bytes