https://doc.rust-lang.org/stable/nightly-rustc/rustc_type_ir/ty_kind/enum.TyKind.html
TyKind in rustc_type_ir::ty_kind - Rust
Defines the kinds of types used by the type system.
rustctypeirkind
https://doc.rust-lang.org/nightly/nightly-rustc/rustc_hir/hir/enum.TyKind.html
TyKind in rustc_hir::hir - Rust
The various kinds of types recognized by the compiler.
rustchir
https://doc.rust-lang.org/beta/nightly-rustc/rustc_trait_selection/infer/canonical/ir/enum.TyKind.html
TyKind in rustc_trait_selection::infer::canonical::ir - Rust
Defines the kinds of types used by the type system.
rustctraitselectioninfercanonical