pub enum FnRetTy {
    Default(Span),
    Ty(Box<Ty>),
}Variants§
Default(Span)
Returns type is not specified.
Functions default to () and closures default to inference.
Span points to where return type would be inserted.
Ty(Box<Ty>)
Everything else.
Implementations§
Trait Implementations§
Source§impl<__D: SpanDecoder> Decodable<__D> for FnRetTy
 
impl<__D: SpanDecoder> Decodable<__D> for FnRetTy
Source§impl<__E: SpanEncoder> Encodable<__E> for FnRetTy
 
impl<__E: SpanEncoder> Encodable<__E> for FnRetTy
Source§impl<V: MutVisitor> MutVisitable<V> for FnRetTy
 
impl<V: MutVisitor> MutVisitable<V> for FnRetTy
Source§impl<__V> MutWalkable<__V> for FnRetTywhere
    __V: MutVisitor,
 
impl<__V> MutWalkable<__V> for FnRetTywhere
    __V: MutVisitor,
Auto Trait Implementations§
impl DynSend for FnRetTy
impl DynSync for FnRetTy
impl Freeze for FnRetTy
impl RefUnwindSafe for FnRetTy
impl Send for FnRetTy
impl Sync for FnRetTy
impl Unpin for FnRetTy
impl UnwindSafe for FnRetTy
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
    T: ?Sized,
 
impl<T> BorrowMut<T> for Twhere
    T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
 
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
    T: Clone,
 
impl<T> CloneToUninit for Twhere
    T: Clone,
Source§impl<T> Instrument for T
 
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
 
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
 
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
 
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
 
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts 
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
 
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts 
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§impl<T> Pointable for T
 
impl<T> Pointable for T
Source§impl<T> WithSubscriber for T
 
impl<T> WithSubscriber for T
Source§fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
 
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
Source§fn with_current_subscriber(self) -> WithDispatch<Self>
 
fn with_current_subscriber(self) -> WithDispatch<Self>
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:
- Default: 8 bytes
- Ty: 12 bytes