Enum Pat

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

Available on crate features __ecma and __utils only.

Variants

Ident(BindingIdent)

Array(ArrayPat)

Rest(RestPat)

Object(ObjectPat)

Assign(AssignPat)

Invalid(Invalid)

Expr(Box<Expr>)

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

Implementations

impl Pat

pub const fn is_ident(&self) -> bool

Available on crate feature ecma_ast only.

Returns true if self is of variant Ident.

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

Available on crate feature ecma_ast only.

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

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

Available on crate feature ecma_ast only.

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

pub fn expect_ident(self) -> BindingIdent

where Pat: Debug,

Available on crate feature ecma_ast only.

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>

Available on crate feature ecma_ast only.

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

pub const fn is_array(&self) -> bool

Available on crate feature ecma_ast only.

Returns true if self is of variant Array.

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

Available on crate feature ecma_ast only.

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

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

Available on crate feature ecma_ast only.

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

pub fn expect_array(self) -> ArrayPat

where Pat: Debug,

Available on crate feature ecma_ast only.

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>

Available on crate feature ecma_ast only.

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

pub const fn is_rest(&self) -> bool

Available on crate feature ecma_ast only.

Returns true if self is of variant Rest.

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

Available on crate feature ecma_ast only.

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

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

Available on crate feature ecma_ast only.

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

pub fn expect_rest(self) -> RestPat

where Pat: Debug,

Available on crate feature ecma_ast only.

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>

Available on crate feature ecma_ast only.

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

pub const fn is_object(&self) -> bool

Available on crate feature ecma_ast only.

Returns true if self is of variant Object.

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

Available on crate feature ecma_ast only.

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

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

Available on crate feature ecma_ast only.

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

pub fn expect_object(self) -> ObjectPat

where Pat: Debug,

Available on crate feature ecma_ast only.

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>

Available on crate feature ecma_ast only.

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

pub const fn is_assign(&self) -> bool

Available on crate feature ecma_ast only.

Returns true if self is of variant Assign.

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

Available on crate feature ecma_ast only.

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

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

Available on crate feature ecma_ast only.

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

pub fn expect_assign(self) -> AssignPat

where Pat: Debug,

Available on crate feature ecma_ast only.

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>

Available on crate feature ecma_ast only.

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

pub const fn is_invalid(&self) -> bool

Available on crate feature ecma_ast only.

Returns true if self is of variant Invalid.

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

Available on crate feature ecma_ast only.

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

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

Available on crate feature ecma_ast only.

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

pub fn expect_invalid(self) -> Invalid

where Pat: Debug,

Available on crate feature ecma_ast only.

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>

Available on crate feature ecma_ast only.

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

pub const fn is_expr(&self) -> bool

Available on crate feature ecma_ast only.

Returns true if self is of variant Expr.

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

Available on crate feature ecma_ast only.

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

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

Available on crate feature ecma_ast only.

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

pub fn expect_expr(self) -> Box<Expr>

where Pat: Debug,

Available on crate feature ecma_ast only.

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>>

Available on crate feature ecma_ast only.

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

Trait Implementations

impl Archive for Pat

type Archived = ArchivedPat

The archived representation of this type.

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.

unsafe fn resolve( &self, pos: usize, resolver: <Pat as Archive>::Resolver, out: *mut <Pat as Archive>::Archived, )

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

impl Clone for Pat

fn clone(&self) -> Pat

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Pat

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

Formats the value using the given formatter.

impl Default for Pat

fn default() -> Pat

Returns the “default value” for a type.

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

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<__D> Deserialize<Pat, __D> for <Pat as Archive>::Archived

where __D: Fallible + ?Sized,

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

Deserializes using the given deserializer

impl EndsWithAlphaNum for Pat

fn ends_with_alpha_num(&self) -> bool

impl EqIgnoreSpan for Pat

fn eq_ignore_span(&self, other: &Pat) -> bool

impl<V> FoldWith<V> for Pat

where V: Fold + ?Sized,

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

Calls Fold::fold_pat with self.

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

Visit children nodes of self`` with visitor`.

impl<'ast> From<&'ast Pat> for NodeRef<'ast>

fn from(node: &'ast Pat) -> NodeRef<'ast>

Converts to this type from the input type.

impl From<(Atom, SyntaxContext)> for Box<Pat>

fn from(src: (Atom, SyntaxContext)) -> Box<Pat>

Converts to this type from the input type.

impl From<(Atom, SyntaxContext)> for Pat

fn from(src: (Atom, SyntaxContext)) -> Pat

Converts to this type from the input type.

impl From<ArrayPat> for Box<Pat>

fn from(src: ArrayPat) -> Box<Pat>

Converts to this type from the input type.

impl From<ArrayPat> for Pat

fn from(v: ArrayPat) -> Pat

Converts to this type from the input type.

impl From<AssignPat> for Box<Pat>

fn from(src: AssignPat) -> Box<Pat>

Converts to this type from the input type.

impl From<AssignPat> for Pat

fn from(v: AssignPat) -> Pat

Converts to this type from the input type.

impl From<AssignTargetPat> for Box<Pat>

fn from(pat: AssignTargetPat) -> Box<Pat>

Converts to this type from the input type.

impl From<AssignTargetPat> for Pat

fn from(pat: AssignTargetPat) -> Pat

Converts to this type from the input type.

impl From<BindingIdent> for Box<Pat>

fn from(src: BindingIdent) -> Box<Pat>

Converts to this type from the input type.

impl From<BindingIdent> for Pat

fn from(v: BindingIdent) -> Pat

Converts to this type from the input type.

impl From<Box<Expr>> for Box<Pat>

fn from(src: Box<Expr>) -> Box<Pat>

Converts to this type from the input type.

impl From<Box<Expr>> for Pat

fn from(v: Box<Expr>) -> Pat

Converts to this type from the input type.

impl From<Ident> for Box<Pat>

fn from(src: Ident) -> Box<Pat>

Converts to this type from the input type.

impl From<Ident> for Pat

fn from(src: Ident) -> Pat

Converts to this type from the input type.

impl From<IdentName> for Box<Pat>

fn from(src: IdentName) -> Box<Pat>

Converts to this type from the input type.

impl From<IdentName> for Pat

fn from(src: IdentName) -> Pat

Converts to this type from the input type.

impl From<Invalid> for Pat

fn from(v: Invalid) -> Pat

Converts to this type from the input type.

impl From<ObjectPat> for Box<Pat>

fn from(src: ObjectPat) -> Box<Pat>

Converts to this type from the input type.

impl From<ObjectPat> for Pat

fn from(v: ObjectPat) -> Pat

Converts to this type from the input type.

impl From<Pat> for ForHead

fn from(src: Pat) -> ForHead

Converts to this type from the input type.

impl From<Pat> for Param

fn from(pat: Pat) -> Param

Converts to this type from the input type.

impl From<RestPat> for Box<Pat>

fn from(src: RestPat) -> Box<Pat>

Converts to this type from the input type.

impl From<RestPat> for Pat

fn from(v: RestPat) -> Pat

Converts to this type from the input type.

impl Hash for Pat

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Node for Pat

fn emit_with<W, S>(&self, e: &mut Emitter<'_, W, S>) -> Result<(), Error>

where S: SourceMapper + SourceMapperExt, W: WriteJs,

impl PartialEq for Pat

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<__S> Serialize<__S> for Pat

where __S: Fallible + ScratchSpace + Serializer + ?Sized,

fn serialize( &self, serializer: &mut __S, ) -> Result<<Pat as Archive>::Resolver, <__S as Fallible>::Error>

Writes the dependencies for the object and returns a resolver that can create the archived type.

impl Serialize for Pat

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Spanned for Pat

fn span(&self) -> Span

Get span of self.

fn span_lo(&self) -> BytePos

fn span_hi(&self) -> BytePos

impl StartsWithAlphaNum for Pat

fn starts_with_alpha_num(&self) -> bool

impl Take for Pat

fn dummy() -> Pat

Create a dummy value of this type.

fn take(&mut self) -> Self

fn map_with_mut<F>(&mut self, op: F)

where F: FnOnce(Self) -> Self,

Mutate self using op, which accepts owned data.

impl TryFrom<Pat> for AssignTarget

type Error = Pat

The type returned in the event of a conversion error.

fn try_from( p: Pat, ) -> Result<AssignTarget, <AssignTarget as TryFrom<Pat>>::Error>

Performs the conversion.

impl TryFrom<Pat> for AssignTargetPat

type Error = Pat

The type returned in the event of a conversion error.

fn try_from( p: Pat, ) -> Result<AssignTargetPat, <AssignTargetPat as TryFrom<Pat>>::Error>

Performs the conversion.

impl<V> VisitMutWith<V> for Pat

where V: VisitMut + ?Sized,

fn visit_mut_with(&mut self, visitor: &mut V)

Calls VisitMut::visit_mut_pat with self.

fn visit_mut_children_with(&mut self, visitor: &mut V)

Visit children nodes of self`` with visitor`.

impl<V> VisitWith<V> for Pat

where V: Visit + ?Sized,

fn visit_with(&self, visitor: &mut V)

Calls Visit::visit_pat with self.

fn visit_children_with(&self, visitor: &mut V)

Visit children nodes of self`` with visitor`.

impl Eq for Pat

impl StructuralPartialEq for Pat