[][src]Struct rustc_ast::ast::Expr

pub struct Expr {
    pub id: NodeId,
    pub kind: ExprKind,
    pub span: Span,
    pub attrs: AttrVec,
    pub tokens: Option<TokenStream>,

An expression.


id: NodeIdkind: ExprKindspan: Spanattrs: AttrVectokens: Option<TokenStream>


impl Expr[src]

pub fn returns(&self) -> bool[src]

Returns true if this expression would be valid somewhere that expects a value; for example, an if condition.

pub fn to_bound(&self) -> Option<GenericBound>[src]

pub fn to_ty(&self) -> Option<P<Ty>>[src]

Attempts to reparse as Ty (for diagnostic purposes).

pub fn precedence(&self) -> ExprPrecedence[src]

Trait Implementations

impl Clone for Expr[src]

impl Debug for Expr[src]

impl Decodable for Expr[src]

impl Encodable for Expr[src]

impl HasAttrs for Expr[src]

Auto Trait Implementations

impl !RefUnwindSafe for Expr

impl !Send for Expr

impl !Sync for Expr

impl Unpin for Expr

impl !UnwindSafe for Expr

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized

impl<T> Borrow<T> for T where
    T: ?Sized

impl<T> BorrowMut<T> for T where
    T: ?Sized

impl<T> Decodable for T where
    T: UseSpecializedDecodable

impl<T> Encodable for T where
    T: UseSpecializedEncodable + ?Sized

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 

impl<T> ToOwned for T where
    T: Clone

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.