library test;
import self as self;
import "dart:core" as core;

typedef ToValue<contravariant T extends core::Object* = dynamic> = (T*) →* void;
static method main() → dynamic {
  function f<T extends core::Object* = dynamic>(T* x) → (T*) →* void
    return null;
  (core::int*) →* void x = f<core::int*>(42){(core::int*) →* (core::int*) →* void};
  (core::int*) →* void y = f<core::int*>(42){(core::int*) →* (core::int*) →* void};
  (core::int*) →* void takesInt = x;
  takesInt = y;
}