github.com/JimmyHuang454/JLS-go@v0.0.0-20230831150107-90d536585ba0/internal/types/testdata/fixedbugs/issue50816.go (about)

     1  // Copyright 2022 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 pkg
     6  
     7  type I interface {
     8  	Foo()
     9  }
    10  
    11  type T1 struct{}
    12  
    13  func (T1) foo() {}
    14  
    15  type T2 struct{}
    16  
    17  func (T2) foo() string { return "" }
    18  
    19  func _() {
    20  	var i I
    21  	_ = i /* ERROR impossible type assertion: i\.\(T1\)\n\tT1 does not implement I \(missing method Foo\)\n\t\thave foo\(\)\n\t\twant Foo\(\) */ .(T1)
    22  	_ = i /* ERROR impossible type assertion: i\.\(T2\)\n\tT2 does not implement I \(missing method Foo\)\n\t\thave foo\(\) string\n\t\twant Foo\(\) */ .(T2)
    23  }