Struct syntax::ast::Expr
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pub struct Expr { pub id: NodeId, pub node: ExprKind, pub span: Span, pub attrs: ThinVec<Attribute>, }
An expression
Fields
id: NodeId
node: ExprKind
span: Span
attrs: ThinVec<Attribute>
Methods
impl Expr
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pub fn returns(&self) -> bool
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Whether this expression would be valid somewhere that expects a value, for example, an if
condition.
pub fn precedence(&self) -> ExprPrecedence
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Trait Implementations
impl Clone for Expr
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fn clone(&self) -> Expr
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl PartialEq for Expr
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fn eq(&self, __arg_0: &Expr) -> bool
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This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &Expr) -> bool
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This method tests for !=
.
impl Eq for Expr
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impl Encodable for Expr
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impl Decodable for Expr
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impl Hash for Expr
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fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
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Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Debug for Expr
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fn fmt(&self, f: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more