structLits.go

     1  // Copyright 2026 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 A struct {
     8  	a int
     9  	B
    10  	C
    11  	*D
    12  }
    13  
    14  type B struct {
    15  	b int
    16  	C
    17  }
    18  
    19  type C struct {
    20  	c int
    21  	D
    22  }
    23  
    24  type D struct {
    25  	x, y, z int
    26  }
    27  
    28  var (
    29  	_ = &A{}
    30  	_ = &A{a: 0}
    31  	_ = A{A /* ERROR "unknown field A in struct literal of type A, but does have a" */ : 0}
    32  	_ = A{X /* ERROR "unknown field X in struct literal of type A, but does have x" */ : 0}
    33  	_ = A{a: 0, b: 0, c: 0}
    34  	_ = A{x /* ERROR "pointer indirection" */ : 0}
    35  	_ = B{b: 0, c: 0, x: 0, y: 0, z: 0}
    36  	_ = B{C: C{}, x /* ERROR "cannot specify promoted field x and enclosing embedded field C" */ : 0}
    37  	_ = A{b: 0, B /* ERROR "cannot specify embedded field B and enclosed promoted field b" */ : B{}}
    38  	_ = A{B: B{}, b /* ERROR "cannot specify promoted field b and enclosing embedded field B" */ : 0}
    39  )
    40
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