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
113
114
115
116
117
118
119
120
121
122
123
|
// RUN: %empty-directory(%t)
// RUN: %target-build-swift %s -o %t/a.out
// RUN: %target-codesign %t/a.out
// RUN: %target-run %t/a.out | %FileCheck %s
// REQUIRES: executable_test
protocol MyPrintable {
func print()
}
extension Int : MyPrintable {
func print() {
Swift.print(self, terminator: "")
}
}
extension String : MyPrintable {
func print() {
Swift.print(self, terminator: "")
}
}
extension Array : MyPrintable {
func print() {
Swift.print(self, terminator: "")
}
}
class Foo<T : MyPrintable> {
init<U : MyPrintable>(_ t: T, _ u: U) {
print("init ", terminator: "")
t.print()
print(" ", terminator: "")
u.print()
print("")
}
func bar<U : MyPrintable>(_ u: U) {
print("bar ", terminator: "")
u.print()
print("")
}
}
// CHECK: init 1 two
// CHECK: bar [1]
var foo = Foo<Int>(1, "two")
foo.bar([1])
struct OuterStruct<T : MyPrintable> {
let t: T
struct InnerStruct<U : MyPrintable> {
let u: U
func printBoth(t: T) {
t.print()
print(" ", terminator: "")
u.print()
}
static func printBoth(t: T, u: U) {
t.print()
print(" ", terminator: "")
u.print()
}
func printAllThree<V : MyPrintable>(t: T, v: V) {
printBoth(t: t)
print(" ", terminator: "")
v.print()
}
}
class InnerClass<U : MyPrintable> {
let u: U
init(u: U) {
self.u = u
}
func printBoth(t: T) {
t.print()
print(" ", terminator: "")
u.print()
}
static func printBoth(t: T, u: U) {
t.print()
print(" ", terminator: "")
u.print()
}
func printAllThree<V : MyPrintable>(t: T, v: V) {
printBoth(t: t)
print(" ", terminator: "")
v.print()
}
}
}
class SubClass<X : MyPrintable, Y : MyPrintable> : OuterStruct<Y>.InnerClass<X> {
override func printBoth(t: Y) {
print("override ", terminator: "")
super.printBoth(t: t)
}
// FIXME: Does not work!
/* override func printAllThree<Z : MyPrintable>(t: Y, v: Z) {
print("super ", terminator: "")
super.printAllThree(t: t, v: v)
} */
}
// CHECK: 1 two
// CHECK: 1 two
// CHECK: 1 two [3]
OuterStruct<Int>.InnerStruct<String>(u: "two").printBoth(t: 1)
OuterStruct<Int>.InnerStruct<String>.printBoth(t: 1, u: "two")
OuterStruct<Int>.InnerStruct<String>(u: "two").printAllThree(t: 1, v: [3])
// CHECK: override 1 two [3]
SubClass<String, Int>(u: "two").printAllThree(t: 1, v: [3])
|
