Struct rustc_builtin_macros::deriving::BuiltinDerive
source · pub(crate) struct BuiltinDerive(pub(crate) fn(_: &mut ExtCtxt<'_>, _: Span, _: &MetaItem, _: &Annotatable, _: &mut dyn FnMut(Annotatable), _: bool));Tuple Fields§
§0: fn(_: &mut ExtCtxt<'_>, _: Span, _: &MetaItem, _: &Annotatable, _: &mut dyn FnMut(Annotatable), _: bool)Trait Implementations§
source§impl MultiItemModifier for BuiltinDerive
impl MultiItemModifier for BuiltinDerive
source§fn expand(
&self,
ecx: &mut ExtCtxt<'_>,
span: Span,
meta_item: &MetaItem,
item: Annotatable,
is_derive_const: bool
) -> ExpandResult<Vec<Annotatable>, Annotatable>
fn expand( &self, ecx: &mut ExtCtxt<'_>, span: Span, meta_item: &MetaItem, item: Annotatable, is_derive_const: bool ) -> ExpandResult<Vec<Annotatable>, Annotatable>
meta_item is the attribute, and item is the item being modified.Auto Trait Implementations§
impl RefUnwindSafe for BuiltinDerive
impl Send for BuiltinDerive
impl Sync for BuiltinDerive
impl Unpin for BuiltinDerive
impl UnwindSafe for BuiltinDerive
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: 8 bytes