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| $ scala | |
| Picked up _JAVA_OPTIONS: -Djava.awt.headless=true | |
| Welcome to Scala version 2.11.2 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_55). | |
| Type in expressions to have them evaluated. | |
| Type :help for more information. | |
| scala> List(1,2,3).toSet() | |
| warning: there was one deprecation warning; re-run with -deprecation for details | |
| res0: Boolean = false | |
| scala> | |
| $ scala -deprecation | |
| Picked up _JAVA_OPTIONS: -Djava.awt.headless=true | |
| Welcome to Scala version 2.11.2 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_55). | |
| Type in expressions to have them evaluated. | |
| Type :help for more information. | |
| scala> List(1,2,3).toSet() | |
| <console>:8: warning: Adaptation of argument list by inserting () has been deprecated: this is unlikely to be what you want. | |
| signature: GenSetLike.apply(elem: A): Boolean | |
| given arguments: <none> | |
| after adaptation: GenSetLike((): Unit) | |
| List(1,2,3).toSet() | |
| ^ | |
| res0: Boolean = false | |
| scala> |
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