blob: 490114aacd1355ff65cf8cff3ce207d8ab1c3c60 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
use crate::infer::canonical::{Canonicalized, CanonicalizedQueryResponse};
use crate::traits::query::Fallible;
use rustc_middle::ty::{ParamEnvAnd, TyCtxt};
pub use rustc_middle::traits::query::type_op::Eq;
impl<'tcx> super::QueryTypeOp<'tcx> for Eq<'tcx> {
type QueryResponse = ();
fn try_fast_path(
_tcx: TyCtxt<'tcx>,
key: &ParamEnvAnd<'tcx, Eq<'tcx>>,
) -> Option<Self::QueryResponse> {
if key.value.a == key.value.b { Some(()) } else { None }
}
fn perform_query(
tcx: TyCtxt<'tcx>,
canonicalized: Canonicalized<'tcx, ParamEnvAnd<'tcx, Self>>,
) -> Fallible<CanonicalizedQueryResponse<'tcx, ()>> {
tcx.type_op_eq(canonicalized)
}
}
|