library test /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;
import "dart:math" as math;

import "dart:math" show Random;

static method test2(core::List<core::num> o) → dynamic {
  core::Iterable<core::num> y = o.{core::Iterable::map}<core::num>((core::num x) → core::num {
    if(math::Random::•().{math::Random::nextBool}(){() → core::bool}) {
      return x.{core::num::toInt}(){() → core::int}.{core::num::+}(1){(core::num) → core::int};
    }
    else {
      return x.{core::num::toDouble}(){() → core::double};
    }
  }){((core::num) → core::num) → core::Iterable<core::num>};
  core::Iterable<core::num> w = y;
}
static method main() → dynamic {}