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
|
import scala.language.implicitConversions
object Test {
def main(args: Array[String]): Unit = {
Moop1.ob1
Moop1.ob2
Moop1.ob3
Moop2.ob1
Moop2.ob2
Moop2.ob3
Moop3.ob1
Moop3.ob2
Moop3.ob3
}
}
// int object vs.
object Moop1 {
object ob1 {
implicit object f1 extends (Int => String) { def apply(x: Int): String = "Int" }
implicit object f2 extends (Long => String) { def apply(x: Long): String = "Long" }
println(5: String)
}
object ob2 {
implicit object f1 extends (Int => String) { def apply(x: Int): String = "Int" }
implicit def f2(x: Long): String = "Long"
println(5: String)
}
object ob3 {
implicit object f1 extends (Int => String) { def apply(x: Int): String = "Int" }
implicit val f2: Long => String = _ => "Long"
println(5: String)
}
}
// int def vs.
object Moop2 {
object ob1 {
implicit def f1(x: Int): String = "Int"
implicit object f2 extends (Long => String) { def apply(x: Long): String = "Long" }
println(5: String)
}
object ob2 {
implicit def f1(x: Int): String = "Int"
implicit def f2(x: Long): String = "Long"
println(5: String)
}
object ob3 {
implicit def f1(x: Int): String = "Int"
implicit val f2: Long => String = _ => "Long"
println(5: String)
}
}
// int val vs.
object Moop3 {
object ob1 {
implicit val f1: Int => String = _ => "Int"
implicit object f2 extends (Long => String) { def apply(x: Long): String = "Long" }
println(5: String)
}
object ob2 {
implicit val f1: Int => String = _ => "Int"
implicit def f2(x: Long): String = "Long"
println(5: String)
}
object ob3 {
implicit val f1: Int => String = _ => "Int"
implicit val f2: Long => String = _ => "Long"
println(5: String)
}
}
|
