Module rustc::ty::subst[][src]

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Re-exports

use hir::def_id::DefId;
use ty;
use ty::Lift;
use ty::Slice;
use ty::Ty;
use ty::TyCtxt;
use ty::fold::TypeFoldable;
use ty::fold::TypeFolder;
use ty::fold::TypeVisitor;
use serialize;
use serialize::Encodable;
use serialize::Encoder;
use serialize::Decodable;
use serialize::Decoder;
use syntax_pos::Span;
use syntax_pos::DUMMY_SP;
use rustc_data_structures::accumulate_vec::AccumulateVec;
use rustc_data_structures::array_vec::ArrayVec;
use core::intrinsics;
use std::cmp::Ordering;
use std::fmt;
use std::marker::PhantomData;
use std::mem;
use std::num::NonZeroUsize;

Structs

Kind [
Experimental
]

An entity in the Rust typesystem, which can be one of several kinds (only types and lifetimes for now). To reduce memory usage, a Kind is a interned pointer, with the lowest 2 bits being reserved for a tag to indicate the type (Ty or Region) it points to.

SubstFolder [
Experimental
]

Enums

UnpackedKind [
Experimental
]

Constants

REGION_TAG [
Experimental
]
TAG_MASK [
Experimental
]
TYPE_TAG [
Experimental
]

Traits

Subst [
Experimental
]

Type Definitions

Substs [
Experimental
]

A substitution mapping generic parameters to new values.