blob: 066d98d0f91d25b07417ce221cff2bcc924b3042 (
plain) (
tree)
|
|
scala> class Inv[T](x: T)
defined class Inv
scala> val x: List[String] = List(1)
-- [E007] Type Mismatch Error: <console> -------------------------------------------------------------------------------
4 |val x: List[String] = List(1)
| ^
| found: Int(1)
| required: String
|
scala> val y: List[List[String]] = List(List(1))
-- [E007] Type Mismatch Error: <console> -------------------------------------------------------------------------------
4 |val y: List[List[String]] = List(List(1))
| ^
| found: Int(1)
| required: String
|
scala> val z: (List[String], List[Int]) = (List(1), List("a"))
-- [E007] Type Mismatch Error: <console> -------------------------------------------------------------------------------
4 |val z: (List[String], List[Int]) = (List(1), List("a"))
| ^
| found: Int(1)
| required: String
|
-- [E007] Type Mismatch Error: <console> -------------------------------------------------------------------------------
4 |val z: (List[String], List[Int]) = (List(1), List("a"))
| ^^^
| found: String("a")
| required: Int
|
scala> val a: Inv[String] = new Inv(new Inv(1))
-- [E007] Type Mismatch Error: <console> -------------------------------------------------------------------------------
5 |val a: Inv[String] = new Inv(new Inv(1))
| ^^^^^
| found: Inv[T]
| required: String
|
| where: T is a type variable with constraint >: Int(1)
scala> val b: Inv[String] = new Inv(1)
-- [E007] Type Mismatch Error: <console> -------------------------------------------------------------------------------
5 |val b: Inv[String] = new Inv(1)
| ^
| found: Int(1)
| required: String
|
scala> abstract class C {
type T
val x: T
val s: Unit = {
type T = String
var y: T = x
locally {
def f() = {
type T = Int
val z: T = y
}
f()
}
}
}
-- [E007] Type Mismatch Error: <console> -------------------------------------------------------------------------------
9 | var y: T = x
| ^
| found: C.this.T(C.this.x)
| required: T'
|
| where: T is a type in class C
| T' is a type in the initalizer of value s which is an alias of String
-- [E007] Type Mismatch Error: <console> -------------------------------------------------------------------------------
13 | val z: T = y
| ^
| found: T(y)
| required: T'
|
| where: T is a type in the initalizer of value s which is an alias of String
| T' is a type in method f which is an alias of Int
scala> :quit
|