Enum AssertKind 

pub enum AssertKind {
    TextStart,
    TextEnd,
    LineStart,
    LineEnd,
    WordBoundary,
    NotWordBoundary,
    WordStart,
    WordEnd,
}

Zero-width assertions on the neighbouring characters.

Variants

TextStart

Start of the input.

TextEnd

End of the input.

LineStart

Start of input or just after a character of the line set.

LineEnd

End of input or just before a character of the line set.

WordBoundary

Previous and next characters differ in membership of the word set.

NotWordBoundary

Previous and next characters agree in membership of the word set.

WordStart

Not after a word character, before a word character.

WordEnd

After a word character, not before one.

Implementations

impl AssertKind

pub const fn letter(self) -> char

Letter used in the interchange format.

Trait Implementations

impl Clone for AssertKind

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for AssertKind

impl Debug for AssertKind

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

Formats the value using the given formatter.

impl Eq for AssertKind

impl Hash for AssertKind

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for AssertKind

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for AssertKind