swc_core::ecma::ast

Enum Pat

#[repr(u32)]pub enum Pat {
    Ident(BindingIdent),
    Array(ArrayPat),
    Rest(RestPat),
    Object(ObjectPat),
    Assign(AssignPat),
    Invalid(Invalid),
    Expr(Box<Expr>),
}

Available on crate features __ecma and ecma_ast only.

Variants§

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Invalid(Invalid)

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Expr(Box<Expr>)

Only for for-in / for-of loops. This is syntactically valid.

Implementations§

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impl Pat

pub const fn is_ident(&self) -> bool

Returns true if self is of variant Ident.

pub fn as_ident(&self) -> Option<&BindingIdent>

Returns Some if self is a reference of variant Ident, and None otherwise.

pub fn as_mut_ident(&mut self) -> Option<&mut BindingIdent>

Returns Some if self is a mutable reference of variant Ident, and None otherwise.

pub fn expect_ident(self) -> BindingIdent
where Pat: Debug,

Unwraps the value, yielding the content of Ident.

§Panics

Panics if the value is not Ident, with a panic message including the content of self.

pub fn ident(self) -> Option<BindingIdent>

Returns Some if self is of variant Ident, and None otherwise.

pub const fn is_array(&self) -> bool

Returns true if self is of variant Array.

pub fn as_array(&self) -> Option<&ArrayPat>

Returns Some if self is a reference of variant Array, and None otherwise.

pub fn as_mut_array(&mut self) -> Option<&mut ArrayPat>

Returns Some if self is a mutable reference of variant Array, and None otherwise.

pub fn expect_array(self) -> ArrayPat
where Pat: Debug,

Unwraps the value, yielding the content of Array.

§Panics

Panics if the value is not Array, with a panic message including the content of self.

pub fn array(self) -> Option<ArrayPat>

Returns Some if self is of variant Array, and None otherwise.

pub const fn is_rest(&self) -> bool

Returns true if self is of variant Rest.

pub fn as_rest(&self) -> Option<&RestPat>

Returns Some if self is a reference of variant Rest, and None otherwise.

pub fn as_mut_rest(&mut self) -> Option<&mut RestPat>

Returns Some if self is a mutable reference of variant Rest, and None otherwise.

pub fn expect_rest(self) -> RestPat
where Pat: Debug,

Unwraps the value, yielding the content of Rest.

§Panics

Panics if the value is not Rest, with a panic message including the content of self.

pub fn rest(self) -> Option<RestPat>

Returns Some if self is of variant Rest, and None otherwise.

pub const fn is_object(&self) -> bool

Returns true if self is of variant Object.

pub fn as_object(&self) -> Option<&ObjectPat>

Returns Some if self is a reference of variant Object, and None otherwise.

pub fn as_mut_object(&mut self) -> Option<&mut ObjectPat>

Returns Some if self is a mutable reference of variant Object, and None otherwise.

pub fn expect_object(self) -> ObjectPat
where Pat: Debug,

Unwraps the value, yielding the content of Object.

§Panics

Panics if the value is not Object, with a panic message including the content of self.

pub fn object(self) -> Option<ObjectPat>

Returns Some if self is of variant Object, and None otherwise.

pub const fn is_assign(&self) -> bool

Returns true if self is of variant Assign.

pub fn as_assign(&self) -> Option<&AssignPat>

Returns Some if self is a reference of variant Assign, and None otherwise.

pub fn as_mut_assign(&mut self) -> Option<&mut AssignPat>

Returns Some if self is a mutable reference of variant Assign, and None otherwise.

pub fn expect_assign(self) -> AssignPat
where Pat: Debug,

Unwraps the value, yielding the content of Assign.

§Panics

Panics if the value is not Assign, with a panic message including the content of self.

pub fn assign(self) -> Option<AssignPat>

Returns Some if self is of variant Assign, and None otherwise.

pub const fn is_invalid(&self) -> bool

Returns true if self is of variant Invalid.

pub fn as_invalid(&self) -> Option<&Invalid>

Returns Some if self is a reference of variant Invalid, and None otherwise.

pub fn as_mut_invalid(&mut self) -> Option<&mut Invalid>

Returns Some if self is a mutable reference of variant Invalid, and None otherwise.

pub fn expect_invalid(self) -> Invalid
where Pat: Debug,

Unwraps the value, yielding the content of Invalid.

§Panics

Panics if the value is not Invalid, with a panic message including the content of self.

pub fn invalid(self) -> Option<Invalid>

Returns Some if self is of variant Invalid, and None otherwise.

pub const fn is_expr(&self) -> bool

Returns true if self is of variant Expr.

pub fn as_expr(&self) -> Option<&Box<Expr>>

Returns Some if self is a reference of variant Expr, and None otherwise.

pub fn as_mut_expr(&mut self) -> Option<&mut Box<Expr>>

Returns Some if self is a mutable reference of variant Expr, and None otherwise.

pub fn expect_expr(self) -> Box<Expr>
where Pat: Debug,

Unwraps the value, yielding the content of Expr.

§Panics

Panics if the value is not Expr, with a panic message including the content of self.

pub fn expr(self) -> Option<Box<Expr>>

Returns Some if self is of variant Expr, and None otherwise.

Trait Implementations§

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impl Archive for Pat

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type Archived = ArchivedPat

The archived representation of this type. Read more

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type Resolver = PatResolver

The resolver for this type. It must contain all the additional information from serializing needed to make the archived type from the normal type.

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fn resolve( &self, resolver: <Pat as Archive>::Resolver, out: Place<<Pat as Archive>::Archived>, )

Creates the archived version of this value at the given position and writes it to the given output. Read more

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const COPY_OPTIMIZATION: CopyOptimization<Self> = _

An optimization flag that allows the bytes of this type to be copied directly to a writer instead of calling serialize. Read more

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impl Clone for Pat

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fn clone(&self) -> Pat

Returns a copy of the value. Read more

1.0.0 · source§

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

Performs copy-assignment from source. Read more

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impl Debug for Pat

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

Formats the value using the given formatter. Read more

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impl Default for Pat

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fn default() -> Pat

Returns the “default value” for a type. Read more

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impl<'de> Deserialize<'de> for Pat

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fn deserialize<D>( deserializer: D, ) -> Result<Pat, <D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl<D> Deserialize<Pat, D> for <Pat as Archive>::Archived
where D: Fallible + ?Sized, <D as Fallible>::Error: Source,

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fn deserialize( &self, deserializer: &mut D, ) -> Result<Pat, <D as Fallible>::Error>

Deserializes using the given deserializer

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fn fold_with(self, visitor: &mut V) -> Pat

Calls Fold::fold_pat with self.

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fn fold_children_with(self, visitor: &mut V) -> Pat

Visit children nodes of self`` with visitor`.

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