Enum ForHead
#[repr(u32)]pub enum ForHead {
VarDecl(Box<VarDecl>),
UsingDecl(Box<UsingDecl>),
Pat(Box<Pat>),
}
__ecma
and ecma_ast
only.Expand description
A head for for-in and for-of loop.
Variants§
Implementations§
§impl ForHead
impl ForHead
pub const fn is_var_decl(&self) -> bool
pub const fn is_var_decl(&self) -> bool
Returns true
if self
is of variant VarDecl
.
pub fn as_var_decl(&self) -> Option<&Box<VarDecl>>
pub fn as_var_decl(&self) -> Option<&Box<VarDecl>>
Returns Some
if self
is a reference of variant VarDecl
, and None
otherwise.
pub fn as_mut_var_decl(&mut self) -> Option<&mut Box<VarDecl>>
pub fn as_mut_var_decl(&mut self) -> Option<&mut Box<VarDecl>>
Returns Some
if self
is a mutable reference of variant VarDecl
, and None
otherwise.
pub fn expect_var_decl(self) -> Box<VarDecl>
pub fn expect_var_decl(self) -> Box<VarDecl>
pub fn var_decl(self) -> Option<Box<VarDecl>>
pub fn var_decl(self) -> Option<Box<VarDecl>>
Returns Some
if self
is of variant VarDecl
, and None
otherwise.
pub const fn is_using_decl(&self) -> bool
pub const fn is_using_decl(&self) -> bool
Returns true
if self
is of variant UsingDecl
.
pub fn as_using_decl(&self) -> Option<&Box<UsingDecl>>
pub fn as_using_decl(&self) -> Option<&Box<UsingDecl>>
Returns Some
if self
is a reference of variant UsingDecl
, and None
otherwise.
pub fn as_mut_using_decl(&mut self) -> Option<&mut Box<UsingDecl>>
pub fn as_mut_using_decl(&mut self) -> Option<&mut Box<UsingDecl>>
Returns Some
if self
is a mutable reference of variant UsingDecl
, and None
otherwise.
pub fn expect_using_decl(self) -> Box<UsingDecl>
pub fn expect_using_decl(self) -> Box<UsingDecl>
pub fn using_decl(self) -> Option<Box<UsingDecl>>
pub fn using_decl(self) -> Option<Box<UsingDecl>>
Returns Some
if self
is of variant UsingDecl
, and None
otherwise.
pub fn as_pat(&self) -> Option<&Box<Pat>>
pub fn as_pat(&self) -> Option<&Box<Pat>>
Returns Some
if self
is a reference of variant Pat
, and None
otherwise.
pub fn as_mut_pat(&mut self) -> Option<&mut Box<Pat>>
pub fn as_mut_pat(&mut self) -> Option<&mut Box<Pat>>
Returns Some
if self
is a mutable reference of variant Pat
, and None
otherwise.
pub fn expect_pat(self) -> Box<Pat>
pub fn expect_pat(self) -> Box<Pat>
Trait Implementations§
§impl Archive for ForHead
impl Archive for ForHead
§type Archived = ArchivedForHead
type Archived = ArchivedForHead
§type Resolver = ForHeadResolver
type Resolver = ForHeadResolver
§fn resolve(
&self,
resolver: <ForHead as Archive>::Resolver,
out: Place<<ForHead as Archive>::Archived>,
)
fn resolve( &self, resolver: <ForHead as Archive>::Resolver, out: Place<<ForHead as Archive>::Archived>, )
§const COPY_OPTIMIZATION: CopyOptimization<Self> = _
const COPY_OPTIMIZATION: CopyOptimization<Self> = _
serialize
. Read more§impl<'de> Deserialize<'de> for ForHead
impl<'de> Deserialize<'de> for ForHead
§fn deserialize<__D>(
__deserializer: __D,
) -> Result<ForHead, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(
__deserializer: __D,
) -> Result<ForHead, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
§impl<__D> Deserialize<ForHead, __D> for <ForHead as Archive>::Archivedwhere
__D: Fallible + ?Sized,
<__D as Fallible>::Error: Source,
impl<__D> Deserialize<ForHead, __D> for <ForHead as Archive>::Archivedwhere
__D: Fallible + ?Sized,
<__D as Fallible>::Error: Source,
§fn deserialize(
&self,
deserializer: &mut __D,
) -> Result<ForHead, <__D as Fallible>::Error>
fn deserialize( &self, deserializer: &mut __D, ) -> Result<ForHead, <__D as Fallible>::Error>
§impl EndsWithAlphaNum for ForHead
impl EndsWithAlphaNum for ForHead
fn ends_with_alpha_num(&self) -> bool
§impl EqIgnoreSpan for ForHead
impl EqIgnoreSpan for ForHead
fn eq_ignore_span(&self, other: &ForHead) -> bool
§impl<V> FoldWith<V> for ForHead
impl<V> FoldWith<V> for ForHead
§fn fold_with(self, visitor: &mut V) -> ForHead
fn fold_with(self, visitor: &mut V) -> ForHead
Calls Fold::fold_for_head
with self
.
§fn fold_children_with(self, visitor: &mut V) -> ForHead
fn fold_children_with(self, visitor: &mut V) -> ForHead
self`` with
visitor`.§impl Node for ForHead
impl Node for ForHead
fn emit_with<W, S>(&self, e: &mut Emitter<'_, W, S>) -> Result<(), Error>where
S: SourceMapper + SourceMapperExt,
W: WriteJs,
§impl<__S> Serialize<__S> for ForHeadwhere
__S: Fallible + Writer + Allocator + ?Sized,
<__S as Fallible>::Error: Source,
impl<__S> Serialize<__S> for ForHeadwhere
__S: Fallible + Writer + Allocator + ?Sized,
<__S as Fallible>::Error: Source,
§impl Serialize for ForHead
impl Serialize for ForHead
§fn serialize<__S>(
&self,
__serializer: __S,
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
fn serialize<__S>(
&self,
__serializer: __S,
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
§impl<V> VisitMutWith<V> for ForHead
impl<V> VisitMutWith<V> for ForHead
§fn visit_mut_with(&mut self, visitor: &mut V)
fn visit_mut_with(&mut self, visitor: &mut V)
Calls VisitMut::visit_mut_for_head
with self
.
§fn visit_mut_children_with(&mut self, visitor: &mut V)
fn visit_mut_children_with(&mut self, visitor: &mut V)
self`` with
visitor`.§impl<V> VisitWith<V> for ForHead
impl<V> VisitWith<V> for ForHead
§fn visit_with(&self, visitor: &mut V)
fn visit_with(&self, visitor: &mut V)
Calls Visit::visit_for_head
with self
.
§fn visit_children_with(&self, visitor: &mut V)
fn visit_children_with(&self, visitor: &mut V)
self`` with
visitor`.impl Eq for ForHead
impl StructuralPartialEq for ForHead
Auto Trait Implementations§
impl Freeze for ForHead
impl RefUnwindSafe for ForHead
impl Send for ForHead
impl Sync for ForHead
impl Unpin for ForHead
impl UnwindSafe for ForHead
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§impl<T> ArchivePointee for T
impl<T> ArchivePointee for T
§type ArchivedMetadata = ()
type ArchivedMetadata = ()
§fn pointer_metadata(
_: &<T as ArchivePointee>::ArchivedMetadata,
) -> <T as Pointee>::Metadata
fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata
§impl<T> ArchiveUnsized for Twhere
T: Archive,
impl<T> ArchiveUnsized for Twhere
T: Archive,
§type Archived = <T as Archive>::Archived
type Archived = <T as Archive>::Archived
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&self,
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fn archived_metadata( &self, ) -> <<T as ArchiveUnsized>::Archived as ArchivePointee>::ArchivedMetadata
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