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Scala example source code file (S3.scala)

This example Scala source code file (S3.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

s3, s3

The Scala S3.scala source code

/* Why does this code fail? b has type a.type, so the third
** declaration in S3 should be okay... The compiler writes instead:
**
** found   : S3.this.b.type (with underlying type S3)
** required: S3.this.a.type
**        val c: a.type = b;
**                        ^
** Without declaration 3, everything is fine.
*/
class S3() {
    val a = new S3();
    val b: a.type = a;
    val c: a.type = b;
}

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