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

static method main() → void {
  {
    function f<S extends core::Object>(core::int x) → core::String
      return null;
    <S extends core::Object>(core::int) → core::String v = f;
    v = <T extends core::Object>(core::int x) → core::String => null;
    v = <T extends core::Object>(core::int x) → core::String => "hello";
    v = <T extends core::Object>(core::String x) → core::String => "hello";
    v = <T extends core::Object>(core::int x) → core::int => 3;
    v = <T extends core::Object>(core::int x) → core::String {
      return 3;
    };
  }
  {
    function f<S extends core::Object>(core::int x) → core::String
      return null;
    <S extends core::Object>(core::int) → core::String v = f;
    v = <T extends core::Object>(core::int x) → core::String => null;
    v = <T extends core::Object>(core::int x) → core::String => "hello";
    v = <T extends core::Object>(core::int x) → core::int => 3;
    v = <T extends core::Object>(core::int x) → core::String {
      return 3;
    };
    v = <T extends core::Object>(core::int x) → core::String {
      return x;
    };
  }
  {
    function f<S extends core::Object>(core::int x) → core::List<core::String>
      return null;
    <S extends core::Object>(core::int) → core::List<core::String> v = f;
    v = <T extends core::Object>(core::int x) → core::List<core::String> => null;
    v = <T extends core::Object>(core::int x) → core::List<core::String> => <core::String>["hello"];
    v = <T extends core::Object>(core::String x) → core::List<core::String> => <core::String>["hello"];
    v = <T extends core::Object>(core::int x) → core::List<core::String> => <core::String>[3];
    v = <T extends core::Object>(core::int x) → core::List<core::String> {
      return <core::String>[3];
    };
  }
  {
    function int2int<S extends core::Object>(core::int x) → core::int
      return null;
    function int2String<T extends core::Object>(core::int x) → core::String
      return null;
    function string2String<T extends core::Object>(core::String x) → core::String
      return null;
    <S extends core::Object>(core::int) → core::int x = int2int;
    x = <T extends core::Object>(core::int x) → core::int => x;
    x = <T extends core::Object>(core::int x) → core::int => x.{core::num::+}(1);
    <T extends core::Object>(core::int) → core::String y = int2String;
    y = <T extends core::Object>(core::int x) → core::int => x;
    y = <T extends core::Object>(core::int x) → core::String => x.substring(3);
    <T extends core::Object>(core::String) → core::String z = string2String;
    z = <T extends core::Object>(core::String x) → core::String => x.{core::String::substring}(3);
  }
}