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Diffstat (limited to 'crates/hir_ty/src/infer/coerce.rs')
-rw-r--r--crates/hir_ty/src/infer/coerce.rs18
1 files changed, 10 insertions, 8 deletions
diff --git a/crates/hir_ty/src/infer/coerce.rs b/crates/hir_ty/src/infer/coerce.rs
index 00b2b585f..60186bc5f 100644
--- a/crates/hir_ty/src/infer/coerce.rs
+++ b/crates/hir_ty/src/infer/coerce.rs
@@ -26,8 +26,8 @@ impl<'a> InferenceContext<'a> {
26 return true; 26 return true;
27 } 27 }
28 match self.coerce_inner(from_ty, &to_ty) { 28 match self.coerce_inner(from_ty, &to_ty) {
29 Ok(_result) => { 29 Ok(result) => {
30 // TODO deal with goals 30 self.table.register_infer_ok(result);
31 true 31 true
32 } 32 }
33 Err(_) => { 33 Err(_) => {
@@ -67,8 +67,9 @@ impl<'a> InferenceContext<'a> {
67 let target_ty = TyKind::Function(sig.to_fn_ptr()).intern(&Interner); 67 let target_ty = TyKind::Function(sig.to_fn_ptr()).intern(&Interner);
68 let result1 = self.coerce_inner(ty1.clone(), &target_ty); 68 let result1 = self.coerce_inner(ty1.clone(), &target_ty);
69 let result2 = self.coerce_inner(ty2.clone(), &target_ty); 69 let result2 = self.coerce_inner(ty2.clone(), &target_ty);
70 if let (Ok(_result1), Ok(_result2)) = (result1, result2) { 70 if let (Ok(result1), Ok(result2)) = (result1, result2) {
71 // TODO deal with the goals 71 self.table.register_infer_ok(result1);
72 self.table.register_infer_ok(result2);
72 return target_ty; 73 return target_ty;
73 } 74 }
74 } 75 }
@@ -104,7 +105,7 @@ impl<'a> InferenceContext<'a> {
104 } 105 }
105 _ => {} 106 _ => {}
106 } 107 }
107 return Ok(InferOk {}); 108 return Ok(InferOk { goals: Vec::new() });
108 } 109 }
109 110
110 // Consider coercing the subtype to a DST 111 // Consider coercing the subtype to a DST
@@ -416,10 +417,11 @@ impl<'a> InferenceContext<'a> {
416 }, 417 },
417 ); 418 );
418 } 419 }
420 // FIXME: should we accept ambiguous results here?
419 _ => return Err(TypeError), 421 _ => return Err(TypeError),
420 }; 422 };
421 423
422 Ok(InferOk {}) 424 Ok(InferOk { goals: Vec::new() })
423 } 425 }
424} 426}
425 427
@@ -444,11 +446,11 @@ fn safe_to_unsafe_fn_ty(fn_ty: FnPointer) -> FnPointer {
444 } 446 }
445} 447}
446 448
447fn coerce_mutabilities(from: Mutability, to: Mutability) -> InferResult { 449fn coerce_mutabilities(from: Mutability, to: Mutability) -> Result<(), TypeError> {
448 match (from, to) { 450 match (from, to) {
449 (Mutability::Mut, Mutability::Mut) 451 (Mutability::Mut, Mutability::Mut)
450 | (Mutability::Mut, Mutability::Not) 452 | (Mutability::Mut, Mutability::Not)
451 | (Mutability::Not, Mutability::Not) => Ok(InferOk {}), 453 | (Mutability::Not, Mutability::Not) => Ok(()),
452 (Mutability::Not, Mutability::Mut) => Err(TypeError), 454 (Mutability::Not, Mutability::Mut) => Err(TypeError),
453 } 455 }
454} 456}