Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir_ty/src/infer.rs')
| -rw-r--r-- | crates/hir_ty/src/infer.rs | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/crates/hir_ty/src/infer.rs b/crates/hir_ty/src/infer.rs index 173380654e..0a50df493f 100644 --- a/crates/hir_ty/src/infer.rs +++ b/crates/hir_ty/src/infer.rs @@ -13,8 +13,8 @@ //! to certain types. To record this, we use the union-find implementation from //! the `ena` crate, which is extracted from rustc. -use std::ops::Index; use std::sync::Arc; +use std::{collections::hash_map::Entry, ops::Index}; use chalk_ir::{cast::Cast, DebruijnIndex, Mutability, Safety, Scalar, TypeFlags}; use hir_def::{ @@ -459,6 +459,12 @@ impl<'a> InferenceContext<'a> { self.result.field_resolutions.insert(expr, field); } + fn write_field_resolution_if_empty(&mut self, expr: ExprId, field: FieldId) { + if let Entry::Vacant(entry) = self.result.field_resolutions.entry(expr) { + entry.insert(field); + } + } + fn write_variant_resolution(&mut self, id: ExprOrPatId, variant: VariantId) { self.result.variant_resolutions.insert(id, variant); } |