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Print bound type variables as `$T<Num> as <Type> @ <locator>` and unbound ones as `$T<Num> [allows bindings to: ...] [attributes: ...] ... @ <locator>`
23 lines
1007 B
Swift
23 lines
1007 B
Swift
// RUN: %target-swift-frontend %s -typecheck -debug-constraints -swift-version 4 2>%t.err
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// RUN: %FileCheck %s < %t.err
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// SE-0213. `UInt32(0)` and similar expressions that get transformed into
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// `0 as <#Type#>` should get literal bound early via equality constraint.
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// CHECK: ---Constraint solving at [{{.*}}:12:1 - line:12:13]---
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// CHECK: (integer_literal_expr type='[[LITERAL_VAR:\$T[0-9]+]]' {{.*}}
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// CHECK: Type Variables:
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// CHECK: [[LITERAL_VAR]] as UInt32 {{.*}}
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// CHECK-NOT: disjunction (remembered) \[\[locator@{{.*}} [Coerce@{{.*}}\]\]]:
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_ = UInt32(0)
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// CHECK: ---Constraint solving at [{{.*}}22:1 - line:22:13]---
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// CHECK: (coerce_expr implicit type='[[CAST_TYPE:\$T[0-9]+]]' {{.*}}
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// CHECK-NEXT: (nil_literal_expr type='[[LITERAL_VAR:\$T[0-9]+]]' {{.*}}
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// CHECK: Type Variables:
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// CHECK: [[LITERAL_VAR]] as Int? {{.*}}
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// CHECK: disjunction (remembered) {{.*}}
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// CHECK-NEXT: > [favored] [[CAST_TYPE]] bind Int?
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// CHECK-NEXT: > [[CAST_TYPE]] bind Int
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_ = Int!(nil)
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