JavaPatternMatching/test/javFiles/mathStruc.jav

class mathStruc<A> {

mathStruc(A a) { ;}

A model(){ A a; return a; }

void methode(){
auto innerOp = o -> ms ->
 new mathStruc<A>(o.apply(this.model(),ms.model()));
 }
}

interface Fun1<A,B>{
    A apply(B b);
}
interface Fun2<A,B,C>{
    A apply(B b, C c);
}