1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
@usableFromInline
struct ResilientInternalBoxedThing<T> {
@usableFromInline
var t: T
@usableFromInline
init(_ t: T) {
self.t = t
}
}
@usableFromInline
@frozen
struct InternalThing<T> {
@usableFromInline
var t: T
@usableFromInline
init(_ t: T) {
self.t = t
}
@_specialize(exported: true, where T == Int)
@_specialize(exported: true, where T == Bool)
@_specialize(exported: true, where T == ResilientInternalBoxedThing<Int>)
@inlinable
func compute() -> T {
return t
}
@inlinable
var computedX : T {
@_specialize(exported: true, where T == Int)
get {
return t
}
@_specialize(exported: true, where T == Int)
set {
t = newValue
}
}
@inlinable
subscript(_ i: Int) -> T {
@_specialize(exported: true, where T == Int)
get {
return t
}
@_specialize(exported: true, where T == Int)
set {
t = newValue
}
}
}
@usableFromInline
class InternalRef<T> {
@usableFromInline
var t: T
@usableFromInline
init(_ t: T) {
self.t = t
}
@_specialize(exported: true, where T == Int)
@_specialize(exported: true, where T == Bool)
@_specialize(exported: true, where T == ResilientInternalBoxedThing<Int>)
@inlinable
final func compute() -> T {
return t
}
@inlinable
final var computedX : T {
@_specialize(exported: true, where T == Int)
get {
return t
}
@_specialize(exported: true, where T == Int)
set {
t = newValue
}
}
@inlinable
final subscript(_ i: Int) -> T {
@_specialize(exported: true, where T == Int)
get {
return t
}
@_specialize(exported: true, where T == Int)
set {
t = newValue
}
}
}
@inline(never)
@inlinable
public func testSpecialization<T>(_ t: T) {
print(InternalThing(ResilientInternalBoxedThing(t)).compute())
print(InternalThing(t).compute())
var i = InternalThing(t)
i.computedX = t
print(i.computedX)
i[1] = t
print(i[2])
}
|
