library;
//
// Problems in library:
//
// pkg/front_end/testcases/nnbd/call.dart:12:4: Warning: Method 'call' is called on 'void Function()?' which is potentially null.
// Try calling using ?. instead.
//   f();
//    ^
//
// pkg/front_end/testcases/nnbd/call.dart:12:4: Warning: Expression of type 'void Function()?' is used as a function, but it's potentially null.
// Try calling using ?.call instead.
//   f();
//    ^
//
// pkg/front_end/testcases/nnbd/call.dart:13:5: Warning: Method 'call' is called on 'void Function()?' which is potentially null.
// Try calling using ?. instead.
//   f.call();
//     ^
//
import self as self;
import "dart:core" as core;

class Class extends core::Object {
  field () →? void field = null;
  synthetic constructor •() → self::Class
    : super core::Object::•()
    ;
  get getter() → () →? void
    return null;
}
static method error() → dynamic {
  () →? void f;
  f.call();
  f.call();
  self::Class c = new self::Class::•();
  c.{self::Class::field}();
  c.{self::Class::getter}();
}
static method main() → dynamic {}