pub enum FnArg {
Receiver(Receiver),
Typed(PatType),
}
Expand description
An argument in a function signature: the n: usize
in fn f(n: usize)
.
Variants§
Receiver(Receiver)
The self
argument of an associated method.
Typed(PatType)
A function argument accepted by pattern and type.
Trait Implementations§
Source§impl ToTokens for FnArg
impl ToTokens for FnArg
Source§fn to_tokens(&self, tokens: &mut TokenStream)
fn to_tokens(&self, tokens: &mut TokenStream)
Source§fn to_token_stream(&self) -> TokenStream
fn to_token_stream(&self) -> TokenStream
Source§fn into_token_stream(self) -> TokenStreamwhere
Self: Sized,
fn into_token_stream(self) -> TokenStreamwhere
Self: Sized,
Auto Trait Implementations§
impl Freeze for FnArg
impl RefUnwindSafe for FnArg
impl !Send for FnArg
impl !Sync for FnArg
impl Unpin for FnArg
impl UnwindSafe for FnArg
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> Spanned for Twhere
T: Spanned + ?Sized,
impl<T> Spanned for Twhere
T: Spanned + ?Sized,
Source§fn span(&self) -> Span
fn span(&self) -> Span
Returns a
Span
covering the complete contents of this syntax tree
node, or Span::call_site()
if this node is empty.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: 96 bytes
Size for each variant:
Receiver
: 96 bytesTyped
: 56 bytes