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Source file src/internal/types/testdata/fixedbugs/issue49005.go

Documentation: internal/types/testdata/fixedbugs

     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  
     5  package p
     6  
     7  type T1 interface{ M() }
     8  
     9  func F1() T1
    10  
    11  var _ = F1().(*X1 /* ERROR "undefined: X1" */)
    12  
    13  func _() {
    14  	switch F1().(type) {
    15  	case *X1 /* ERROR "undefined: X1" */ :
    16  	}
    17  }
    18  
    19  type T2 interface{ M() }
    20  
    21  func F2() T2
    22  
    23  var _ = F2 /* ERROR "impossible type assertion: F2().(*X2)\n\t*X2 does not implement T2 (missing method M)" */ ().(*X2)
    24  
    25  type X2 struct{}
    26  
    27  func _() {
    28  	switch F2().(type) {
    29  	case * /* ERROR "impossible type switch case: *X2\n\tF2() (value of type T2) cannot have dynamic type *X2 (missing method M)" */ X2:
    30  	}
    31  }
    32  

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