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
|
import scala.tools.partest.SessionTest
object Test extends SessionTest {
override def stripMargins = false
def session =
"""Type in expressions to have them evaluated.
Type :help for more information.
scala> object Y { def f[A](a: => A) = 1 ; def f[A](a: => Either[Exception, A]) = 2 }
<console>:7: error: double definition:
def f[A](a: => A): Int at line 7 and
def f[A](a: => Either[Exception,A]): Int at line 7
have same type after erasure: (a: Function0)Int
object Y { def f[A](a: => A) = 1 ; def f[A](a: => Either[Exception, A]) = 2 }
^
scala> object Y { def f[A](a: => A) = 1 ; def f[A](a: => Either[Exception, A]) = 2 }
<console>:7: error: double definition:
def f[A](a: => A): Int at line 7 and
def f[A](a: => Either[Exception,A]): Int at line 7
have same type after erasure: (a: Function0)Int
object Y { def f[A](a: => A) = 1 ; def f[A](a: => Either[Exception, A]) = 2 }
^
scala> object Y {
| def f[A](a: => A) = 1
| def f[A](a: => Either[Exception, A]) = 2
| }
<console>:9: error: double definition:
def f[A](a: => A): Int at line 8 and
def f[A](a: => Either[Exception,A]): Int at line 9
have same type after erasure: (a: Function0)Int
def f[A](a: => Either[Exception, A]) = 2
^
scala> :pa
// Entering paste mode (ctrl-D to finish)
object Y {
def f[A](a: => A) = 1
def f[A](a: => Either[Exception, A]) = 2
}
// Exiting paste mode, now interpreting.
<console>:9: error: double definition:
def f[A](a: => A): Int at line 8 and
def f[A](a: => Either[Exception,A]): Int at line 9
have same type after erasure: (a: Function0)Int
def f[A](a: => Either[Exception, A]) = 2
^
scala> :quit"""
}
|
