Enum enso_automata::pattern::Pattern

pub enum Pattern {
    Range(RangeInclusive<Symbol>),
    Or(Vec<Pattern>),
    Seq(Vec<Pattern>),
    Many(Box<Pattern>),
    Always,
    Never,
}

A representation of a simple regular pattern.

Variants

Range(RangeInclusive<Symbol>)

The pattern that triggers on any symbol from the given range.

Or(Vec<Pattern>)

The pattern that triggers on any given pattern from a sequence.

Seq(Vec<Pattern>)

The pattern that triggers when a sequence of patterns is encountered.

Many(Box<Pattern>)

The pattern that triggers on 0..N repetitions of given pattern.

Always

The pattern that always triggers without consuming any input.

Never

The pattern that never triggers and does not consume any input.

Implementations

impl Pattern

pub fn never() -> Self

A pattern that never triggers.

pub fn always() -> Self

A pattern that always triggers

pub fn any() -> Self

A pattern that triggers on any character.

pub fn min() -> Self

A pattern that triggers on the minimum value.

pub fn max() -> Self

A pattern that triggers on the minimum value.

pub fn many(&self) -> Self

A pattern that triggers on 0..N repetitions of the pattern described by self.

pub fn many1(&self) -> Self

A pattern that triggers on 1..N repetitions of the pattern described by self.

pub fn opt(&self) -> Self

A pattern that triggers on 0..=1 repetitions of the pattern described by self.

pub fn char(character: char) -> Self

A pattern that triggers on the given character.

pub fn symbol(symbol: &Symbol) -> Self

A pattern that triggers on the given symbol.

pub fn symbols(symbols: RangeInclusive<Symbol>) -> Self

A pattern that triggers on any of the provided symbols.

pub fn eof() -> Self

A pattern that triggers at the end of the file.

pub fn range(range: RangeInclusive<char>) -> Self

A pattern that triggers on any character in the provided range.

pub fn all_of(chars: &str) -> Self

Pattern that triggers when sequence of characters given by chars is encountered.

pub fn any_of(chars: &str) -> Self

The pattern that triggers on any characters contained in chars.

pub fn none_of(chars: &str) -> Self

The pattern that doesn’t trigger on any character contained in chars.

This pattern will always implicitly include [Symbol::NULL] and [Symbol::EOF_CODE] in the excluded characters. If you do not want this behaviour instead use Pattern::none_of_codes below.

pub fn none_of_codes(codes: &[u64], names: &[String]) -> Self

This pattern doesn’t trigger on any code contained in codes.

pub fn not(char: char) -> Self

The pattern that triggers on any character but char.

pub fn not_symbol(symbol: Symbol) -> Self

The pattern that triggers on any symbol but symbol.

pub fn repeat(pat: &Pattern, num: usize) -> Self

The pattern that triggers on num repetitions of pat.

pub fn repeat_between(pat: &Pattern, min: usize, max: usize) -> Self

Pattern that triggers on min..max repetitions of pat.

Trait Implementations

impl AsRef<Pattern> for Pattern

fn as_ref(&self) -> &Pattern

Performs the conversion.

impl BitOr<&'_ Pattern> for Pattern

type Output = Pattern

The resulting type after applying the | operator.

fn bitor(self, rhs: &Pattern) -> Self::Output

Performs the | operation.

impl BitOr<&'_ Pattern> for &Pattern

type Output = Pattern

The resulting type after applying the | operator.

fn bitor(self, rhs: &Pattern) -> Self::Output

Performs the | operation.

impl BitOr<Pattern> for Pattern

type Output = Pattern

The resulting type after applying the | operator.

fn bitor(self, rhs: Pattern) -> Self::Output

Performs the | operation.

impl BitOr<Pattern> for &Pattern

type Output = Pattern

The resulting type after applying the | operator.

fn bitor(self, rhs: Pattern) -> Self::Output

Performs the | operation.

impl Clone for Pattern

fn clone(&self) -> Pattern

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Pattern

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

Formats the value using the given formatter.

impl From<&'_ str> for Pattern

fn from(string: &str) -> Self

Performs the conversion.

impl From<char> for Pattern

fn from(char: char) -> Self

Performs the conversion.

impl PartialEq<Pattern> for Pattern

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

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

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

This method tests for !=.

impl Shr<&'_ Pattern> for Pattern

type Output = Pattern

The resulting type after applying the >> operator.

fn shr(self, rhs: &Pattern) -> Self::Output

Performs the >> operation.

impl Shr<&'_ Pattern> for &Pattern

type Output = Pattern

The resulting type after applying the >> operator.

fn shr(self, rhs: &Pattern) -> Self::Output

Performs the >> operation.

impl Shr<Pattern> for Pattern

type Output = Pattern

The resulting type after applying the >> operator.

fn shr(self, rhs: Pattern) -> Self::Output

Performs the >> operation.

impl Shr<Pattern> for &Pattern

type Output = Pattern

The resulting type after applying the >> operator.

fn shr(self, rhs: Pattern) -> Self::Output

Performs the >> operation.

impl StructuralPartialEq for Pattern