Enum rustc_expand::mbe::KleeneOp
source · [−]enum KleeneOp {
ZeroOrMore,
OneOrMore,
ZeroOrOne,
}
Expand description
A Kleene-style repetition operator for token sequences.
Variants
ZeroOrMore
Kleene star (*
) for zero or more repetitions
OneOrMore
Kleene plus (+
) for one or more repetitions
ZeroOrOne
Kleene optional (?
) for zero or one repetitions
Trait Implementations
impl Copy for KleeneOp
impl StructuralPartialEq for KleeneOp
Auto Trait Implementations
impl RefUnwindSafe for KleeneOp
impl Send for KleeneOp
impl Sync for KleeneOp
impl Unpin for KleeneOp
impl UnwindSafe for KleeneOp
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn 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: 1 byte
Size for each variant:
ZeroOrMore
: 0 bytesOneOrMore
: 0 bytesZeroOrOne
: 0 bytes