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 generics
6
7 func _[A, B any](a A, b B) int {}
8 func _[T any](x, y T) T
9
10 type T[P any] struct{}
11 type T[P1, P2, P3 any] struct{}
12
13 type T[P C] struct{}
14 type T[P1, P2, P3 C] struct{}
15
16 type T[P C[P]] struct{}
17 type T[P1, P2, P3 C[P1, P2, P3]] struct{}
18
19 func f[P any](x P)
20 func f[P1, P2, P3 any](x1 P1, x2 P2, x3 P3) struct{}
21
22 func f[P interface{}](x P)
23 func f[P1, P2, P3 interface {
24 m1(P1)
25 type P2, P3
26 }](x1 P1, x2 P2, x3 P3) struct{}
27 func f[P any](T1[P], T2[P]) T3[P]
28
29 func (x T[P]) m()
30 func (T[P]) m(x T[P]) P
31
32 func _() {
33 type _ []T[P]
34 var _ []T[P]
35 _ = []T[P]{}
36 }
37
38 // properly format one-line type lists
39 type _ interface{ type a }
40
41 type _ interface {
42 type a, b, c
43 }
44
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