Scala example source code file (t2305.scala)

This example Scala source code file (t2305.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

bind, bind, javaarraylistbind, javaarraylistbind, myserializable, myserializable, myserializablebind, myserializablebind, util

The Scala t2305.scala source code

import java.util.ArrayList

trait Bind[Z[_]] 

class MySerializable[X] extends java.io.Serializable

object Bind {
	implicit val JavaArrayListBind: Bind[ArrayList] = new Bind[ArrayList] {}
	implicit val MySerializableBind: Bind[MySerializable] = new Bind[MySerializable] {}
}

object works {
	// this works fine:
	def runbind(implicit bind: Bind[MySerializable]) {}
	runbind
}

object breaks {
	def runbind(implicit bind: Bind[ArrayList]) {}
	runbind  
	/*java.lang.AssertionError: assertion failed: java.io.Serializable
		at scala.Predef$.assert(Predef.scala:107)
		at scala.tools.nsc.symtab.Types$TypeRef.transform(Types.scala:1417)
		at scala.tools.nsc.symtab.Types$TypeRef.baseType(Types.scala:1559)
	*/
}