Enum rustc_expand::mbe::KleeneOp

enum KleeneOp {
    ZeroOrMore,
    OneOrMore,
    ZeroOrOne,
}

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 Clone for KleeneOp

fn clone(&self) -> KleeneOp

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for KleeneOp

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<__D: Decoder> Decodable<__D> for KleeneOp

fn decode(__decoder: &mut __D) -> Result<Self, <__D as Decoder>::Error>

impl<__E: Encoder> Encodable<__E> for KleeneOp

fn encode(&self, __encoder: &mut __E) -> Result<(), <__E as Encoder>::Error>

impl PartialEq<KleeneOp> for KleeneOp

fn eq(&self, other: &KleeneOp) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl Copy for KleeneOp

impl StructuralPartialEq for KleeneOp

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 bytes
• OneOrMore: 0 bytes
• ZeroOrOne: 0 bytes