Enum rustc_resolve::BuiltinMacroState
source · pub(crate) enum BuiltinMacroState {
NotYetSeen(SyntaxExtensionKind),
AlreadySeen(Span),
}
Expand description
Used for better errors for E0773
Variants§
NotYetSeen(SyntaxExtensionKind)
AlreadySeen(Span)
Auto Trait Implementations§
impl !RefUnwindSafe for BuiltinMacroState
impl !Send for BuiltinMacroState
impl !Sync for BuiltinMacroState
impl Unpin for BuiltinMacroState
impl !UnwindSafe for BuiltinMacroState
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: 24 bytes
Size for each variant:
NotYetSeen
: 24 bytesAlreadySeen
: 16 bytes