Struct rustc_expand::base::MacEager[−][src]

pub struct MacEager {
    pub expr: Option<P<Expr>>,
    pub pat: Option<P<Pat>>,
    pub items: Option<SmallVec<[P<Item>; 1]>>,
    pub impl_items: Option<SmallVec<[P<AssocItem>; 1]>>,
    pub trait_items: Option<SmallVec<[P<AssocItem>; 1]>>,
    pub foreign_items: Option<SmallVec<[P<ForeignItem>; 1]>>,
    pub stmts: Option<SmallVec<[Stmt; 1]>>,
    pub ty: Option<P<Ty>>,
}
Expand description

MacResult implementation for the common case where you’ve already built each form of AST that you might return.

Fields

expr: Option<P<Expr>>pat: Option<P<Pat>>items: Option<SmallVec<[P<Item>; 1]>>impl_items: Option<SmallVec<[P<AssocItem>; 1]>>trait_items: Option<SmallVec<[P<AssocItem>; 1]>>foreign_items: Option<SmallVec<[P<ForeignItem>; 1]>>stmts: Option<SmallVec<[Stmt; 1]>>ty: Option<P<Ty>>

Implementations

impl MacEager[src]

pub fn expr(v: P<Expr>) -> Box<dyn MacResult>[src]

pub fn pat(v: P<Pat>) -> Box<dyn MacResult>[src]

pub fn items(v: SmallVec<[P<Item>; 1]>) -> Box<dyn MacResult>[src]

pub fn impl_items(v: SmallVec<[P<AssocItem>; 1]>) -> Box<dyn MacResult>[src]

pub fn trait_items(v: SmallVec<[P<AssocItem>; 1]>) -> Box<dyn MacResult>[src]

pub fn foreign_items(v: SmallVec<[P<ForeignItem>; 1]>) -> Box<dyn MacResult>[src]

pub fn stmts(v: SmallVec<[Stmt; 1]>) -> Box<dyn MacResult>[src]

pub fn ty(v: P<Ty>) -> Box<dyn MacResult>[src]

Trait Implementations

impl Default for MacEager[src]

fn default() -> MacEager[src]

Returns the “default value” for a type. Read more

impl MacResult for MacEager[src]

fn make_expr(self: Box<Self>) -> Option<P<Expr>>[src]

Creates an expression.

fn make_items(self: Box<Self>) -> Option<SmallVec<[P<Item>; 1]>>[src]

Creates zero or more items.

fn make_impl_items(self: Box<Self>) -> Option<SmallVec<[P<AssocItem>; 1]>>[src]

Creates zero or more impl items.

fn make_trait_items(self: Box<Self>) -> Option<SmallVec<[P<AssocItem>; 1]>>[src]

Creates zero or more trait items.

fn make_foreign_items(self: Box<Self>) -> Option<SmallVec<[P<ForeignItem>; 1]>>[src]

Creates zero or more items in an extern {} block

fn make_stmts(self: Box<Self>) -> Option<SmallVec<[Stmt; 1]>>[src]

Creates zero or more statements. Read more

fn make_pat(self: Box<Self>) -> Option<P<Pat>>[src]

Creates a pattern.

fn make_ty(self: Box<Self>) -> Option<P<Ty>>[src]

fn make_arms(self: Box<Self>) -> Option<SmallVec<[Arm; 1]>>[src]

fn make_expr_fields(self: Box<Self>) -> Option<SmallVec<[ExprField; 1]>>[src]

fn make_pat_fields(self: Box<Self>) -> Option<SmallVec<[PatField; 1]>>[src]

fn make_generic_params(self: Box<Self>) -> Option<SmallVec<[GenericParam; 1]>>[src]

fn make_params(self: Box<Self>) -> Option<SmallVec<[Param; 1]>>[src]

fn make_field_defs(self: Box<Self>) -> Option<SmallVec<[FieldDef; 1]>>[src]

fn make_variants(self: Box<Self>) -> Option<SmallVec<[Variant; 1]>>[src]

Auto Trait Implementations

impl !RefUnwindSafe for MacEager

impl !Send for MacEager

impl !Sync for MacEager

impl Unpin for MacEager

impl !UnwindSafe for MacEager

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

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

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.