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Use variables in predicates as well

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Florian Diebold 2020-02-02 17:11:54 +01:00 • committed by Florian Diebold
parent 86348f5994
commit a3d8cffde3
5 changed files with 52 additions and 63 deletions
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4
crates/ra_hir_ty/src/infer/expr.rs
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@ -20,7 +20,7 @@ use crate::{
traits::InEnvironment,
utils::{generics, variant_data, Generics},
ApplicationTy, CallableDef, InferTy, IntTy, Mutability, Obligation, Substs, TraitRef, Ty,
TypeCtor, TypeWalk, Uncertain, Binders,
TypeCtor, Uncertain, Binders,
};
use super::{BindingMode, Expectation, InferenceContext, InferenceDiagnostic, TypeMismatch};
@ -686,7 +686,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
if let TypeCtor::FnDef(def) = a_ty.ctor {
let generic_predicates = self.db.generic_predicates(def.into());
for predicate in generic_predicates.iter() {
let predicate = predicate.clone().subst_type_params(self.db, def.into(), &a_ty.parameters);
let predicate = predicate.clone().subst(&a_ty.parameters);
if let Some(obligation) = Obligation::from_predicate(predicate) {
self.obligations.push(obligation);
}