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

typedef Function2<S extends core::Object, T extends core::Object> = (S) → T;
static method main() → void {
  {
    (core::int) → core::String l0 = (core::int x) → core::String => null;
    (core::int) → core::String l1 = (core::int x) → core::String => "hello";
    (core::int) → core::String l2 = (core::String x) → core::String => "hello";
    (core::int) → core::String l3 = (core::int x) → core::int => 3;
    (core::int) → core::String l4 = (core::int x) → core::String {
      return 3;
    };
  }
  {
    (core::int) → core::String l0 = (core::int x) → core::String => null;
    (core::int) → core::String l1 = (core::int x) → core::String => "hello";
    (core::int) → core::String l2 = (core::int x) → core::int => 3;
    (core::int) → core::String l3 = (core::int x) → core::String {
      return 3;
    };
    (core::int) → core::String l4 = (core::int x) → core::String {
      return x;
    };
  }
  {
    (core::int) → core::List<core::String> l0 = (core::int x) → core::List<core::String> => null;
    (core::int) → core::List<core::String> l1 = (core::int x) → core::List<core::String> => <core::String>["hello"];
    (core::int) → core::List<core::String> l2 = (core::String x) → core::List<core::String> => <core::String>["hello"];
    (core::int) → core::List<core::String> l3 = (core::int x) → core::List<core::String> => <core::String>[3];
    (core::int) → core::List<core::String> l4 = (core::int x) → core::List<core::String> {
      return <core::String>[3];
    };
  }
  {
    (core::int) → core::int l0 = (core::int x) → core::int => x;
    (core::int) → core::int l1 = (core::int x) → core::int => x.{core::num::+}(1);
    (core::int) → core::String l2 = (core::int x) → core::int => x;
    (core::int) → core::String l3 = (core::int x) → core::String => x.substring(3);
    (core::String) → core::String l4 = (core::String x) → core::String => x.{core::String::substring}(3);
  }
}