pub enum Expr {
Show 35 variants
Missing,
Path(Path),
If {
condition: ExprId,
then_branch: ExprId,
else_branch: Option<ExprId>,
},
Let {
pat: PatId,
expr: ExprId,
},
Block {
id: Option<BlockId>,
statements: Box<[Statement]>,
tail: Option<ExprId>,
label: Option<LabelId>,
},
Async {
id: Option<BlockId>,
statements: Box<[Statement]>,
tail: Option<ExprId>,
},
Const(ConstBlockId),
Unsafe {
id: Option<BlockId>,
statements: Box<[Statement]>,
tail: Option<ExprId>,
},
Loop {
body: ExprId,
label: Option<LabelId>,
},
Call {
callee: ExprId,
args: Box<[ExprId]>,
is_assignee_expr: bool,
},
MethodCall {
receiver: ExprId,
method_name: Name,
args: Box<[ExprId]>,
generic_args: Option<Box<GenericArgs>>,
},
Match {
expr: ExprId,
arms: Box<[MatchArm]>,
},
Continue {
label: Option<LabelId>,
},
Break {
expr: Option<ExprId>,
label: Option<LabelId>,
},
Return {
expr: Option<ExprId>,
},
Become {
expr: ExprId,
},
Yield {
expr: Option<ExprId>,
},
Yeet {
expr: Option<ExprId>,
},
RecordLit {
path: Option<Box<Path>>,
fields: Box<[RecordLitField]>,
spread: Option<ExprId>,
ellipsis: bool,
is_assignee_expr: bool,
},
Field {
expr: ExprId,
name: Name,
},
Await {
expr: ExprId,
},
Cast {
expr: ExprId,
type_ref: Interned<TypeRef>,
},
Ref {
expr: ExprId,
rawness: Rawness,
mutability: Mutability,
},
Box {
expr: ExprId,
},
UnaryOp {
expr: ExprId,
op: UnaryOp,
},
BinaryOp {
lhs: ExprId,
rhs: ExprId,
op: Option<BinaryOp>,
},
Range {
lhs: Option<ExprId>,
rhs: Option<ExprId>,
range_type: RangeOp,
},
Index {
base: ExprId,
index: ExprId,
is_assignee_expr: bool,
},
Closure {
args: Box<[PatId]>,
arg_types: Box<[Option<Interned<TypeRef>>]>,
ret_type: Option<Interned<TypeRef>>,
body: ExprId,
closure_kind: ClosureKind,
capture_by: CaptureBy,
},
Tuple {
exprs: Box<[ExprId]>,
is_assignee_expr: bool,
},
Array(Array),
Literal(Literal),
Underscore,
OffsetOf(OffsetOf),
InlineAsm(InlineAsm),
}
Variants§
Missing
This is produced if the syntax tree does not have a required expression piece.
Path(Path)
If
Let
Block
Async
Const(ConstBlockId)
Unsafe
Loop
Call
MethodCall
Fields
§
generic_args: Option<Box<GenericArgs>>
Match
Continue
Break
Return
Become
Yield
Yeet
RecordLit
Fields
§
fields: Box<[RecordLitField]>
Field
Await
Cast
Ref
Box
UnaryOp
BinaryOp
Range
Index
Closure
Fields
§
closure_kind: ClosureKind
Tuple
Array(Array)
Literal(Literal)
Underscore
OffsetOf(OffsetOf)
InlineAsm(InlineAsm)
Implementations§
Trait Implementations§
source§impl PartialEq for Expr
impl PartialEq for Expr
impl Eq for Expr
impl StructuralPartialEq for Expr
Auto Trait Implementations§
impl Freeze for Expr
impl RefUnwindSafe for Expr
impl Send for Expr
impl Sync for Expr
impl Unpin for Expr
impl UnwindSafe for Expr
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Checks if this value is equivalent to the given key. Read more
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
§impl<T> IntoBox<dyn CloneAny> for Twhere
T: CloneAny,
impl<T> IntoBox<dyn CloneAny> for Twhere
T: CloneAny,
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more