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Use build_for_def

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This commit is contained in:
Edwin Cheng 2019-12-19 22:28:52 +08:00
parent dddee23f43
commit b61ad6a964
1 changed files with 1 additions and 1 deletions
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2
crates/ra_hir_ty/src/infer.rs
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@ -375,7 +375,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
match assoc_ty {
Some(res_assoc_ty) => {
let ty = self.table.new_type_var();
let mut builder = Substs::builder(1 + params.len()).push(inner_ty);
let mut builder = Substs::build_for_def(self.db, res_assoc_ty).push(inner_ty);
for ty in params {
builder = builder.push(ty.clone());
}