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

import "dart:async";

static method test() → dynamic {
  asy::Future<core::int*>* base;
  asy::Future<core::bool*>* f = base.{asy::Future::then}<core::bool*>((core::int* x) → core::bool* {
    return x =={core::num::==}{(core::Object*) →* core::bool*} 0;
  }){((core::int*) →* FutureOr<core::bool*>*, {onError: core::Function*}) →* asy::Future<core::bool*>*};
  asy::Future<core::bool*>* g = base.{asy::Future::then}<core::bool*>((core::int* x) → core::bool* => x =={core::num::==}{(core::Object*) →* core::bool*} 0){((core::int*) →* FutureOr<core::bool*>*, {onError: core::Function*}) →* asy::Future<core::bool*>*};
  asy::Future<core::bool*>* b = f;
  b = g;
}
static method main() → dynamic {}