blob: f9e48c0119a144c377ca386d367ced23f6d0ce2e (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
scala> import scala.collection.mutable
import scala.collection.mutable
scala> val buf = mutable.ListBuffer[Int]()
buf: scala.collection.mutable.ListBuffer[Int] = ListBuffer()
scala> object o { val xs = List(1, 2, 3) }
defined module o
scala> import o._
import o._
scala> buf += xs
-- Error: <console> ------------------------------------------------------------
10:buf += xs
^^
type mismatch:
found: scala.collection.immutable.List[Int](o.xs)
required: String
-- Error: <console> ------------------------------------------------------------
10:buf += xs
^^^^^^^^^
type mismatch:
found: String
required: scala.collection.mutable.ListBuffer[Int]
scala> buf ++= xs
res1: scala.collection.mutable.ListBuffer[Int] = ListBuffer(1, 2, 3)
scala> :quit
|