| // Copyright 2021 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package resolution |
| |
| type List /* =@List */ [E /* =@E */ any] []E // @E |
| |
| type Pair /* =@Pair */ [L /* =@L */, R /* =@R */ any] struct { |
| Left /* =@Left */ L // @L |
| Right /* =@Right */ R // @R |
| L /* =@Lfield */ int |
| } |
| |
| var _ = Pair /* @Pair */ [int, string]{} |
| |
| type Addable /* =@Addable */ interface { |
| ~int64|~float64 |
| } |
| |
| func Add /* =@AddDecl */[T /* =@T */ Addable /* @Addable */](l /* =@l */, r /* =@r */ T /* @T */) T /* @T */ { |
| var t /* =@t */ T /* @T */ |
| return l /* @l */ + r /* @r */ + t /* @t */ |
| } |
| |
| type Receiver /* =@Receiver */[P /* =@P */ any] struct {} |
| |
| type RP /* =@RP1 */ struct{} |
| |
| // TODO(rFindley): make a decision on how/whether to resolve identifiers that |
| // refer to receiver type parameters, as is the case for the 'P' result |
| // parameter below. |
| // |
| // For now, we ensure that types are not incorrectly resolved when receiver |
| // type parameters are in scope. |
| func (r /* =@recv */ Receiver /* @Receiver */ [RP]) m(RP) RP {} |
| |
| func f /* =@f */[T1 /* =@T1 */ interface{~[]T2 /* @T2 */}, T2 /* =@T2 */ any]( |
| x /* =@x */ T1 /* @T1 */, T1 /* =@T1_duplicate */ y, // Note that this is a bug: |
| // the duplicate T1 should |
| // not be allowed. |
| ){ |
| // Note that duplicate short var declarations resolve to their alt declaration. |
| x /* @x */ := 0 |
| y /* =@y */ := 0 |
| T1 /* @T1 */ := 0 |
| var t1var /* =@t1var */ T1 /* @T1 */ |
| } |
| |
| // From go.dev/issue/39634 |
| func(*ph1[e, e])h(d) |