...

Text file src/go/parser/testdata/resolution/typeparams.go2

Documentation: go/parser/testdata/resolution

     1// Copyright 2021 The Go Authors. All rights reserved.
     2// Use of this source code is governed by a BSD-style
     3// license that can be found in the LICENSE file.
     4
     5package resolution
     6
     7type List /* =@List */ [E /* =@E */ any] []E // @E
     8
     9type Pair /* =@Pair */ [L /* =@L */, R /* =@R */ any] struct {
    10	Left /* =@Left */ L // @L
    11	Right /* =@Right */ R // @R
    12	L /* =@Lfield */ int
    13}
    14
    15var _ = Pair /* @Pair */ [int, string]{}
    16
    17type Addable /* =@Addable */ interface {
    18	~int64|~float64
    19}
    20
    21func Add /* =@AddDecl */[T /* =@T */ Addable /* @Addable */](l /* =@l */, r /* =@r */ T /* @T */) T /* @T */ {
    22	var t /* =@t */ T /* @T */
    23	return l /* @l */ + r /* @r */ + t /* @t */
    24}
    25
    26type Receiver /* =@Receiver */[P /* =@P */ any] struct {}
    27
    28type RP /* =@RP1 */ struct{}
    29
    30// TODO(rFindley): make a decision on how/whether to resolve identifiers that
    31// refer to receiver type parameters, as is the case for the 'P' result
    32// parameter below.
    33//
    34// For now, we ensure that types are not incorrectly resolved when receiver
    35// type parameters are in scope.
    36func (r /* =@recv */ Receiver /* @Receiver */ [RP]) m(RP) RP {}
    37
    38func f /* =@f */[T1 /* =@T1 */ interface{~[]T2 /* @T2 */}, T2 /* =@T2 */ any](
    39  x /* =@x */ T1 /* @T1 */, T1 /* =@T1_duplicate */ y,  // Note that this is a bug:
    40                                                        // the duplicate T1 should
    41							// not be allowed.
    42  ){
    43  // Note that duplicate short var declarations resolve to their alt declaration.
    44  x /* @x */ := 0
    45  y /* =@y */ := 0
    46  T1 /* @T1 */ := 0
    47  var t1var /* =@t1var */ T1 /* @T1 */
    48}
    49
    50// From go.dev/issue/39634
    51func(*ph1[e, e])h(d)

View as plain text