1// Package generics contains the new syntax supporting generic ...
2PACKAGE generics
3
4IMPORTPATH
5 testdata/generics
6
7FILENAMES
8 testdata/generics.go
9
10FUNCTIONS
11 // AnotherFunc has an implicit constraint interface. Neither type ...
12 func AnotherFunc[T ~struct{ f int }](_ struct{ f int })
13
14 // Func has an instantiated constraint.
15 func Func[T Constraint[string, Type[int]]]()
16
17 // Single is not a factory function.
18 func Single[T any]() *T
19
20 // Slice is not a factory function.
21 func Slice[T any]() []T
22
23
24TYPES
25 // AFuncType demonstrates filtering of parameters and type ...
26 type AFuncType[T ~struct{ f int }] func(_ struct {
27 // contains filtered or unexported fields
28 })
29
30 // Constraint is a constraint interface with two type parameters.
31 type Constraint[P, Q interface{ string | ~int | Type[int] }] interface {
32 ~int | ~byte | Type[string]
33 M() P
34 }
35
36 // NewEmbeddings demonstrates how we filter the new embedded ...
37 type NewEmbeddings interface {
38 string // should not be filtered
39
40 struct {
41 // contains filtered or unexported fields
42 }
43 ~struct {
44 // contains filtered or unexported fields
45 }
46 *struct {
47 // contains filtered or unexported fields
48 }
49 struct {
50 // contains filtered or unexported fields
51 } | ~struct {
52 // contains filtered or unexported fields
53 }
54 // contains filtered or unexported methods
55 }
56
57 // Parameterized types should be shown.
58 type Type[P any] struct {
59 Field P
60 }
61
62 // Variables with an instantiated type should be shown.
63 var X Type[int]
64
65 // Constructors for parameterized types should be shown.
66 func Constructor[lowerCase any]() Type[lowerCase]
67
68 // MethodA uses a different name for its receiver type parameter.
69 func (t Type[A]) MethodA(p A)
70
71 // MethodB has a blank receiver type parameter.
72 func (t Type[_]) MethodB()
73
74 // MethodC has a lower-case receiver type parameter.
75 func (t Type[c]) MethodC()
76
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