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lcnr 2024-11-22 12:01:16 +01:00
parent 795ff6576c
commit 8c7c83d6ef
3 changed files with 36 additions and 5 deletions
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5
compiler/rustc_middle/src/query/mod.rs
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@ -1375,8 +1375,9 @@ rustc_queries! {
/// type-checking etc, and it does not normalize specializable
/// associated types.
///
/// You should pretty much only use this if an `infcx` is available,
/// otherwise use a `TypingEnv`.
/// You should almost certainly not use this. If you already have an InferCtxt, then
/// you should also probably have a `ParamEnv` from when it was built. If you don't,
/// then you should take a `TypingEnv` to ensure that you handle opaque types correctly.
query param_env(def_id: DefId) -> ty::ParamEnv<'tcx> {
desc { |tcx| "computing normalized predicates of `{}`", tcx.def_path_str(def_id) }
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