Add some helpful method to Predef?

Language Design
5

Some history on Result is this topic. I think there has been a lot of interest since then.

On ch-ch-ch-ch-ch-ch-changing.

Sample times with sample usage at

scala> :javap scala.tools.nsc.symtab.classfile.ClassfileParser#parseAnnotation
[snip]
        37: iload         9
        39: iconst_0
        40: if_icmple     150
        43: aload_0
        44: invokespecial #470                // Method readName:()Lscala/reflect/internal/Names$Name;
        47: astore        11
        49: aload_0
        50: invokevirtual #1409               // Method parseAnnotArg:()Lscala/Option;
[snip]
       144: iinc          9, -1
       147: goto          37