Source file src/internal/types/testdata/spec/comparable1.19.go

     1  // -lang=go1.19
     2  
     3  // Copyright 2022 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  package p
     8  
     9  func f1[_ comparable]()              {}
    10  func f2[_ interface{ comparable }]() {}
    11  
    12  type T interface{ m() }
    13  
    14  func _[P comparable, Q ~int, R any]() {
    15  	_ = f1[int]
    16  	_ = f1[T /* ERROR "T to satisfy comparable requires go1.20 or later" */]
    17  	_ = f1[any /* ERROR "any to satisfy comparable requires go1.20 or later" */]
    18  	_ = f1[P]
    19  	_ = f1[Q]
    20  	_ = f1[R /* ERROR "R does not satisfy comparable" */]
    21  
    22  	_ = f2[int]
    23  	_ = f2[T /* ERROR "T to satisfy comparable requires go1.20 or later" */]
    24  	_ = f2[any /* ERROR "any to satisfy comparable requires go1.20 or later" */]
    25  	_ = f2[P]
    26  	_ = f2[Q]
    27  	_ = f2[R /* ERROR "R does not satisfy comparable" */]
    28  }
    29  

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