| class Test { | |
| public static void main(String[] args) { | |
| Box<String> stringBox = new Box<String>("123"); | |
| stringBox.transform(new Fn<String,<error descr="Identifier expected"> </error>>() {}); | |
| } | |
| static class Box<T> { | |
| T value; | |
| Box(T value) { | |
| this.value = value; | |
| } | |
| public <O> Box<O> transform(Fn<T, O> fn) { | |
| return new Box<O>(fn.apply(value)); | |
| } | |
| } | |
| interface Fn<A, B> { | |
| B apply(A value); | |
| } | |
| } |