Enum LookAround

pub enum LookAround {
    LookAhead,
    LookAheadNeg,
    LookBehind,
    LookBehindNeg,
}

Type of look-around assertion as used for a look-around expression.

Variants

LookAhead

Look-ahead assertion, e.g. (?=a)

LookAheadNeg

Negative look-ahead assertion, e.g. (?!a)

LookBehind

Look-behind assertion, e.g. (?<=a)

LookBehindNeg

Negative look-behind assertion, e.g. (?<!a)

Trait Implementations

impl Clone for LookAround

fn clone(&self) -> LookAround

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for LookAround

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

Formats the value using the given formatter.

impl PartialEq for LookAround

fn eq(&self, other: &LookAround) -> 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 LookAround

impl Eq for LookAround

impl StructuralPartialEq for LookAround