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TokenKind

Enum TokenKind 

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pub enum TokenKind {
Show 66 variants Number(f64), String(String), Regex(String), Identifier(String), Begin, End, BeginFile, EndFile, If, Else, While, For, Do, Break, Continue, Function, Return, Delete, Exit, Next, Nextfile, Getline, Print, Printf, In, Plus, Minus, Star, Slash, Percent, Caret, Less, LessEqual, Greater, GreaterEqual, Equal, NotEqual, And, Or, Not, Match, NotMatch, Assign, PlusAssign, MinusAssign, StarAssign, SlashAssign, PercentAssign, CaretAssign, Increment, Decrement, Dollar, Question, Colon, Pipe, Append, LeftParen, RightParen, LeftBrace, RightBrace, LeftBracket, RightBracket, Semicolon, Comma, Newline, Eof,
}
Expand description

All token types in AWK

Variants§

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Number(f64)

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String(String)

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Regex(String)

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Identifier(String)

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Begin

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End

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BeginFile

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EndFile

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If

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Else

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While

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For

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Do

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Break

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Continue

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Function

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Return

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Delete

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Exit

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Next

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Nextfile

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Getline

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Print

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Printf

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In

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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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Caret

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Less

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LessEqual

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Greater

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GreaterEqual

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Equal

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NotEqual

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And

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Or

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Not

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Match

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NotMatch

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Assign

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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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CaretAssign

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Increment

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Decrement

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Dollar

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Question

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Colon

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Pipe

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Append

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LeftParen

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RightParen

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LeftBrace

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RightBrace

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LeftBracket

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RightBracket

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Semicolon

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Comma

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Newline

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Eof

Implementations§

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impl TokenKind

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pub fn is_keyword(&self) -> bool

Check if this token is a keyword

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pub fn can_start_expression(&self) -> bool

Check if this token can start an expression

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pub fn produces_value(&self) -> bool

Check if this token produces a value (for regex vs division disambiguation)

Trait Implementations§

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impl Clone for TokenKind

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fn clone(&self) -> Self

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 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 PartialEq for TokenKind

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

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.