Struct rustc_infer::infer::freshen::TypeFreshener

pub struct TypeFreshener<'a, 'tcx> {
    infcx: &'a InferCtxt<'a, 'tcx>,
    ty_freshen_count: u32,
    const_freshen_count: u32,
    ty_freshen_map: FxHashMap<InferTy, Ty<'tcx>>,
    const_freshen_map: FxHashMap<InferConst<'tcx>, &'tcx Const<'tcx>>,
    keep_static: bool,
}

Fields

infcx: &'a InferCtxt<'a, 'tcx>

ty_freshen_count: u32

const_freshen_count: u32

ty_freshen_map: FxHashMap<InferTy, Ty<'tcx>>

const_freshen_map: FxHashMap<InferConst<'tcx>, &'tcx Const<'tcx>>

keep_static: bool

Implementations

impl<'a, 'tcx> TypeFreshener<'a, 'tcx>

pub fn new(
    infcx: &'a InferCtxt<'a, 'tcx>,
    keep_static: bool
) -> TypeFreshener<'a, 'tcx>

fn freshen_ty<F>(
    &mut self,
    opt_ty: Option<Ty<'tcx>>,
    key: InferTy,
    freshener: F
) -> Ty<'tcx> where
    F: FnOnce(u32) -> InferTy, 

fn freshen_const<F>(
    &mut self,
    opt_ct: Option<&'tcx Const<'tcx>>,
    key: InferConst<'tcx>,
    freshener: F,
    ty: Ty<'tcx>
) -> &'tcx Const<'tcx> where
    F: FnOnce(u32) -> InferConst<'tcx>, 

Trait Implementations

impl<'a, 'tcx> TypeFolder<'tcx> for TypeFreshener<'a, 'tcx>

fn tcx<'b>(&'b self) -> TyCtxt<'tcx>

fn fold_region(&mut self, r: Region<'tcx>) -> Region<'tcx>

fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx>

fn fold_const(&mut self, ct: &'tcx Const<'tcx>) -> &'tcx Const<'tcx>

type Error = !

fn fold_binder<T>(&mut self, t: Binder<T>) -> Binder<T> where
    T: TypeFoldable<'tcx>,
    Self: TypeFolder<'tcx, Error = !>, 

fn fold_predicate(&mut self, p: Predicate) -> Predicate where
    Self: TypeFolder<'tcx, Error = !>, 

fn fold_mir_const(&mut self, c: ConstantKind) -> ConstantKind where
    Self: TypeFolder<'tcx, Error = !>, 

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 88 bytes