bjoernager/rust
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Remove unnecessary param-env from lexical region resolution and fully structural relations

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This commit is contained in:
Michael Goulet 2023-12-18 21:22:39 +00:00
parent e6d6b1d92c
commit 009cd9c815
9 changed files with 28 additions and 68 deletions
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9
compiler/rustc_middle/src/ty/_match.rs
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@ -20,12 +20,11 @@ use crate::ty::{self, InferConst, Ty, TyCtxt};
/// affects any type variables or unification state.
pub struct MatchAgainstFreshVars<'tcx> {
tcx: TyCtxt<'tcx>,
param_env: ty::ParamEnv<'tcx>,
}
impl<'tcx> MatchAgainstFreshVars<'tcx> {
pub fn new(tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> MatchAgainstFreshVars<'tcx> {
MatchAgainstFreshVars { tcx, param_env }
pub fn new(tcx: TyCtxt<'tcx>) -> MatchAgainstFreshVars<'tcx> {
MatchAgainstFreshVars { tcx }
}
}
@ -33,13 +32,15 @@ impl<'tcx> TypeRelation<'tcx> for MatchAgainstFreshVars<'tcx> {
fn tag(&self) -> &'static str {
"MatchAgainstFreshVars"
}
fn tcx(&self) -> TyCtxt<'tcx> {
self.tcx
}
fn param_env(&self) -> ty::ParamEnv<'tcx> {
self.param_env
panic!("relation should not need a param-env")
}
fn a_is_expected(&self) -> bool {
true
} // irrelevant