Enum boa_engine::syntax::ast::keyword::Keyword

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pub enum Keyword {
Show 41 variants    Await,
    Async,
    Break,
    Case,
    Catch,
    Class,
    Continue,
    Const,
    Debugger,
    Default,
    Delete,
    Do,
    Else,
    Enum,
    Export,
    Extends,
    False,
    Finally,
    For,
    Function,
    If,
    In,
    InstanceOf,
    Import,
    Let,
    New,
    Null,
    Of,
    Return,
    Super,
    Switch,
    This,
    Throw,
    True,
    Try,
    TypeOf,
    Var,
    Void,
    While,
    With,
    Yield,
}

Expand description

Keywords are tokens that have special meaning in JavaScript.

In JavaScript you cannot use these reserved words as variables, labels, or function names.

More information:

Variants

`Await`

The await keyword.

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`Async`

The async keyword.

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`Break`

The break keyword.

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`Case`

The case keyword.

More information:

`Catch`

The catch keyword.

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`Class`

The class keyword.

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`Continue`

The continue keyword.

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`Const`

The const keyword.

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`Debugger`

The debugger keyword.

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`Default`

The default keyword.

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`Delete`

The delete keyword.

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`Do`

The do keyword.

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`Else`

The else keyword.

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`Enum`

The enum keyword.

Future reserved keyword.

`Export`

The export keyword.

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`Extends`

The extends keyword.

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`False`

The false keyword.

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`Finally`

The finally keyword.

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`For`

The for keyword.

More information:

`Function`

The function keyword.

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`If`

The if keyword.

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`In`

The in keyword.

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`InstanceOf`

The instanceof keyword.

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`Import`

The import keyword.

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`Let`

The let keyword.

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`New`

The new keyword.

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`Null`

The null keyword.

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`Of`

The of keyword.

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`Return`

The return keyword

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`Super`

The super keyword

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`Switch`

The switch keyword.

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`This`

The this keyword.

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`Throw`

The throw keyword.

More information:

`True`

The true keyword

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`Try`

The try keyword.

More information:

`TypeOf`

The typeof keyword.

More information:

`Var`

The var keyword.

More information:

`Void`

The void keyword.

More information:

`While`

The while keyword.

More information:

`With`

The with keyword.

More information:

`Yield`

The ‘yield’ keyword.

More information:

Implementations

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impl Keyword

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pub fn as_binop(self) -> Option<BinOp>

Gets the keyword as a binary operation, if this keyword is the in keyword.

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pub fn as_str(self) -> &'static str

Gets the keyword as a string.

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pub fn to_sym(self, interner: &mut Interner) -> Sym

Converts the keyword to a symbol in the given interner.

Trait Implementations

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impl Clone for Keyword

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fn clone(&self) -> Keyword

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl Debug for Keyword

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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 Display for Keyword

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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 FromStr for Keyword

type Err = KeywordError

The associated error which can be returned from parsing.

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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more

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impl PartialEq<Keyword> for Keyword

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

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

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

This method tests for !=.

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impl PartialEq<Keyword> for Punctuator

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fn eq(&self, _other: &Keyword) -> bool

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

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

This method tests for !=.

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impl PartialEq<Punctuator> for Keyword

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fn eq(&self, _other: &Punctuator) -> bool

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

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

This method tests for !=.

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impl TryInto<BinOp> for Keyword

type Error = String

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<BinOp, Self::Error>

Performs the conversion.

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impl Copy for Keyword

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impl StructuralPartialEq for Keyword

Auto Trait Implementations

impl RefUnwindSafe for Keyword

impl Send for Keyword

impl Sync for Keyword

impl Unpin for Keyword

impl UnwindSafe for Keyword

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,

const: unstable · source

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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> Conv for T

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fn conv<T>(self) -> T where
Self: Into<T>,

Converts self into T using Into<T>. Read more

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fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

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> Pipe for T where
T: ?Sized,

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

Pipes by value. This is generally the method you want to use. Read more

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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

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fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

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fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
 Self: Borrow,
 B: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more

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fn pipe_borrow_mut<'a, B, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut B) -> R
) -> R where
 Self: BorrowMut,
 B: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

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fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
 Self: AsRef,
 U: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.

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fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
 Self: AsMut,
 U: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function. Read more

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fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: Deref<Target = T>,
 T: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.deref() into the pipe function.

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fn pipe_deref_mut<'a, T, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut T) -> R
) -> R where
 Self: DerefMut<Target = T> + Deref,
 T: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function. Read more

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impl<T> Tap for T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

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fn tap_borrow(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow,
B: ?Sized,

Immutable access to the Borrow of a value. Read more

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fn tap_borrow_mut(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut,
B: ?Sized,

Mutable access to the BorrowMut of a value. Read more

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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more

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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more

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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,

Immutable access to the Deref::Target of a value. Read more

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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Mutable access to the Deref::Target of a value. Read more

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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds. Read more

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fn tap_borrow_dbg(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow,
B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds. Read more

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fn tap_borrow_mut_dbg(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut,
B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds. Read more

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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds. Read more

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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds. Read more

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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds. Read more

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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds. Read more

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impl<T> ToInternedString for T where
T: Display,

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fn to_interned_string(&self, _interner: &Interner) -> String

Converts a given element to a string using an interner.

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impl<T> ToOwned for T where
T: Clone,

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> ToString for T where
T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error> where
Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

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