Enum Lookahead

pub enum Lookahead {
    Positive,
    Negative,
    None,
}

The current lookahead status of a ParserState.

Variants

Positive

Negative

None

Trait Implementations

impl Clone for Lookahead

fn clone(&self) -> Lookahead

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Lookahead

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

Formats the value using the given formatter.

impl PartialEq for Lookahead

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for Lookahead

impl Eq for Lookahead

impl StructuralPartialEq for Lookahead