Module tls 

Structs

ImplicitCtxt

This is the implicit state of rustc. It contains the current TyCtxt and query. It is updated when creating a local interner or executing a new query. Whenever there’s a TyCtxt value available you should also have access to an ImplicitCtxt through the functions in this module.

Functions

downcast 🔒 ^⚠

enter_context

Sets context as the new current ImplicitCtxt for the duration of the function f.

erase 🔒

with

Allows access to the TyCtxt in the current ImplicitCtxt. Panics if there is no ImplicitCtxt available.

with_context

Allows access to the current ImplicitCtxt. Panics if there is no ImplicitCtxt available.

with_context_opt

Allows access to the current ImplicitCtxt in a closure if one is available.

with_opt

Allows access to the TyCtxt in the current ImplicitCtxt. The closure is passed None if there is no ImplicitCtxt available.