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TokenKind

Enum TokenKind 

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pub enum TokenKind {
Show 38 variants Ident, Number, String, Directive, RulePrefixMarker, At, Newline, Indent(u32), Eof, LParen, RParen, LBracket, RBracket, LBrace, RBrace, Comma, Colon, Dot, Assign, Plus, Minus, Star, Slash, Percent, DoubleStar, PlusAssign, MinusAssign, StarAssign, SlashAssign, PercentAssign, DoubleStarAssign, Eq, Ne, Lt, Le, Gt, Ge, LexBang,
}
Expand description

The kind of a token.

Variants§

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Ident

An identifier or keyword (keywords are resolved by the parser).

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Number

A numeric literal (text holds the source spelling).

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String

A string literal (text holds the unescaped value).

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Directive

A #! directive line (text holds everything after #!).

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RulePrefixMarker

A preprocessing marker carrying the rule-prefix state active at the following top-level rule or subroutine.

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At

@Event / @Condition / other @ directives.

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Newline

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Indent(u32)

Indentation change: the column of the current line.

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Eof

End of file.

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LParen

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RParen

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LBracket

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RBracket

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LBrace

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RBrace

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Comma

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Colon

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Dot

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Assign

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Plus

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Minus

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Star

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Slash

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Percent

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DoubleStar

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PlusAssign

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MinusAssign

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StarAssign

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SlashAssign

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PercentAssign

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DoubleStarAssign

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Eq

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Ne

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Lt

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Le

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Gt

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Ge

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LexBang

A bare ! that is not !=; the parser rejects it as unsupported OPY.

Trait Implementations§

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impl Clone for TokenKind

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fn clone(&self) -> TokenKind

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for TokenKind

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impl Debug for TokenKind

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

Formats the value using the given formatter. Read more
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impl Eq for TokenKind

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impl PartialEq for TokenKind

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for TokenKind

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.