Enum rustc_resolve::BuiltinMacroState [−][src]
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 BuiltinMacroStateimpl !Send for BuiltinMacroStateimpl !Sync for BuiltinMacroStateimpl Unpin for BuiltinMacroStateimpl !UnwindSafe for BuiltinMacroStateBlanket Implementations
Layout
Note: Most layout information is completely unstable and may be different between compiler versions and platforms. 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: 32 bytes