issue39938.go

Documentation: internal/types/testdata/fixedbugs

     1  // Copyright 2020 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  // All but E2 and E5 provide an "indirection" and break infinite expansion of a type.
     8  type E0[P any] []P
     9  type E1[P any] *P
    10  type E2[P any] struct{ _ P }
    11  type E3[P any] struct{ _ *P }
    12  type E5[P any] struct{ _ [10]P }
    13  
    14  type T0 struct {
    15          _ E0[T0]
    16  }
    17  
    18  type T0_ struct {
    19          E0[T0_]
    20  }
    21  
    22  type T1 struct {
    23          _ E1[T1]
    24  }
    25  
    26  type T2 /* ERROR "invalid recursive type" */ struct {
    27          _ E2[T2]
    28  }
    29  
    30  type T3 struct {
    31          _ E3[T3]
    32  }
    33  
    34  type T4 /* ERROR "invalid recursive type" */ [10]E5[T4]
    35  
    36  type T5 struct {
    37  	_ E0[E2[T5]]
    38  }
    39  
    40  type T6 struct {
    41  	_ E0[E2[E0[E1[E2[[10]T6]]]]]
    42  }
    43  
    44  type T7 struct {
    45  	_ E0[[10]E2[E0[E2[E2[T7]]]]]
    46  }
    47  
    48  type T8 struct {
    49  	_ E0[[]E2[E0[E2[E2[T8]]]]]
    50  }
    51  
    52  type T9 /* ERROR "invalid recursive type" */ [10]E2[E5[E2[T9]]]
    53  
    54  type T10 [10]E2[E5[E2[func(T10)]]]
    55
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