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 __visit 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 Clone for Pat

fn clone(&self) -> Pat

Returns a duplicate 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 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, emitter: &mut Emitter<'_, W, S>) -> Result<(), Error>

where W: WriteJs, S: SourceMapper + SourceMapperExt,

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 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

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 56 bytes

Size for each variant:

• Ident: 36 bytes
• Array: 52 bytes
• Rest: 36 bytes
• Object: 52 bytes
• Assign: 28 bytes
• Invalid: 8 bytes
• Expr: 12 bytes