Enum regex_syntax::ast::ClassSetItem

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pub enum ClassSetItem {
    Empty(Span),
    Literal(Literal),
    Range(ClassSetRange),
    Ascii(ClassAscii),
    Unicode(ClassUnicode),
    Perl(ClassPerl),
    Bracketed(Box<ClassBracketed>),
    Union(ClassSetUnion),
}

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A single component of a character class set.

Variants

Empty(Span)

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An empty item.

Note that a bracketed character class cannot contain a single empty item. Empty items can appear when using one of the binary operators. For example, [&&] is the intersection of two empty classes.

Literal(Literal)

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A single literal.

Range(ClassSetRange)

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A range between two literals.

Ascii(ClassAscii)

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An ASCII character class, e.g., [:alnum:] or [:punct:].

Unicode(ClassUnicode)

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A Unicode character class, e.g., \pL or \p{Greek}.

Perl(ClassPerl)

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A perl character class, e.g., \d or \W.

Bracketed(Box<ClassBracketed>)

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A bracketed character class set, which may contain zero or more character ranges and/or zero or more nested classes. e.g., [a-zA-Z\pL].

Union(ClassSetUnion)

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A union of items.

Methods

impl ClassSetItem

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pub fn span(&self) -> &Span

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Return the span of this character class set item.

Trait Implementations

impl Clone for ClassSetItem

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fn clone(&self) -> ClassSetItem

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Returns a copy of the value.

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

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Performs copy-assignment from source.

impl Debug for ClassSetItem

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

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Formats the value using the given formatter.

impl Eq for ClassSetItem

impl PartialEq for ClassSetItem

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

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

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

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This method tests for !=.