pub struct Param {
pub attrs: AttrVec,
pub ty: P<Ty>,
pub pat: P<Pat>,
pub id: NodeId,
pub span: Span,
pub is_placeholder: bool,
}
Expand description
A parameter in a function header.
E.g., bar: usize
as in fn foo(bar: usize)
.
Fields§
§attrs: AttrVec
§ty: P<Ty>
§pat: P<Pat>
§id: NodeId
§span: Span
§is_placeholder: bool
Implementations§
Trait Implementations§
source§impl HasAttrs for Param
impl HasAttrs for Param
source§const SUPPORTS_CUSTOM_INNER_ATTRS: bool = false
const SUPPORTS_CUSTOM_INNER_ATTRS: bool = false
This is
true
if this HasAttrs
might support ‘custom’ (proc-macro) inner
attributes. Attributes like #![cfg]
and #![cfg_attr]
are not
considered ‘custom’ attributes. Read morefn attrs(&self) -> &[Attribute]
fn visit_attrs(&mut self, f: impl FnOnce(&mut AttrVec))
source§impl HasTokens for Param
impl HasTokens for Param
fn tokens(&self) -> Option<&LazyAttrTokenStream>
fn tokens_mut(&mut self) -> Option<&mut Option<LazyAttrTokenStream>>
Auto Trait Implementations§
impl !RefUnwindSafe for Param
impl !Send for Param
impl !Sync for Param
impl Unpin for Param
impl !UnwindSafe for Param
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
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: 40 bytes