Source file src/internal/types/testdata/fixedbugs/issue59956.go

Documentation: internal/types/testdata/fixedbugs

     1  // Copyright 2023 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  
     5  package p
     6  
     7  func f1(func(int))
     8  func f2(func(int), func(string))
     9  func f3(func(int), func(string), func(float32))
    10  
    11  func g1[P any](P) {}
    12  
    13  func _() {
    14  	f1(g1)
    15  	f2(g1, g1)
    16  	f3(g1, g1, g1)
    17  }
    18  
    19  // More complex examples
    20  
    21  func g2[P any](P, P)                                         {}
    22  func h3[P any](func(P), func(P), func() P)                   {}
    23  func h4[P, Q any](func(P), func(P, Q), func() Q, func(P, Q)) {}
    24  
    25  func r1() int { return 0 }
    26  
    27  func _() {
    28  	h3(g1, g1, r1)
    29  	h4(g1, g2, r1, g2)
    30  }
    31  
    32  // Variadic cases
    33  
    34  func f(func(int))
    35  func g[P any](P) {}
    36  
    37  func d[P any](...func(P)) {}
    38  
    39  func _() {
    40  	d /* ERROR "cannot infer P" */ ()
    41  	d(f)
    42  	d(f, g)
    43  	d(f, g, g)
    44  	d /* ERROR "cannot infer P" */ (g, g, g)
    45  	d(g, g, f)
    46  	d(g, f, g, f)
    47  }
    48  

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