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

static method test() → 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 = let final dynamic #t1 = <T extends core::Object>(core::String x) → core::String => "hello" in let dynamic _ = null in const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/downwards_inference_on_generic_function_expressions.dart:14:65: Error: A value of type '<T extends dart.core::Object>(dart.core::String) \u8594 dart.core::String' can't be assigned to a variable of type '<S extends dart.core::Object>(dart.core::int) \u8594 dart.core::String'.\nTry changing the type of the left hand side, or casting the right hand side to '<S extends dart.core::Object>(dart.core::int) \u8594 dart.core::String'.\n    v = /*error:INVALID_ASSIGNMENT*/ <T> /*@returnType=String*/ (String x) =>\n                                                                ^"));
    v = let final dynamic #t2 = <T extends core::Object>(core::int x) → core::int => 3 in let dynamic _ = null in const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/downwards_inference_on_generic_function_expressions.dart:16:62: Error: A value of type '<T extends dart.core::Object>(dart.core::int) \u8594 dart.core::int' can't be assigned to a variable of type '<S extends dart.core::Object>(dart.core::int) \u8594 dart.core::String'.\nTry changing the type of the left hand side, or casting the right hand side to '<S extends dart.core::Object>(dart.core::int) \u8594 dart.core::String'.\n    v = /*error:INVALID_ASSIGNMENT*/ <T> /*@returnType=int*/ (int x) => 3;\n                                                             ^"));
    v = <T extends core::Object>(core::int x) → core::String {
      return let final dynamic #t3 = 3 in let dynamic _ = null in const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/downwards_inference_on_generic_function_expressions.dart:18:47: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.\nTry changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.\n      return /*error:RETURN_OF_INVALID_TYPE*/ 3;\n                                              ^"));
    };
  }
  {
    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 = let final dynamic #t4 = <T extends core::Object>(core::int x) → core::int => 3 in let dynamic _ = null in const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/downwards_inference_on_generic_function_expressions.dart:27:36: Error: A value of type '<T extends dart.core::Object>(dart.core::int) \u8594 dart.core::int' can't be assigned to a variable of type '<S extends dart.core::Object>(dart.core::int) \u8594 dart.core::String'.\nTry changing the type of the left hand side, or casting the right hand side to '<S extends dart.core::Object>(dart.core::int) \u8594 dart.core::String'.\n            T> /*@returnType=int*/ (/*@type=int*/ x) =>\n                                   ^"));
    v = <T extends core::Object>(core::int x) → core::String {
      return let final dynamic #t5 = 3 in let dynamic _ = null in const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/downwards_inference_on_generic_function_expressions.dart:30:47: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.\nTry changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.\n      return /*error:RETURN_OF_INVALID_TYPE*/ 3;\n                                              ^"));
    };
    v = <T extends core::Object>(core::int x) → core::String {
      return let final dynamic #t6 = x in let dynamic _ = null in const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/downwards_inference_on_generic_function_expressions.dart:33:47: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.\nTry changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.\n      return /*error:RETURN_OF_INVALID_TYPE*/ x;\n                                              ^"));
    };
  }
  {
    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 = let final dynamic #t7 = <T extends core::Object>(core::String x) → core::List<core::String> => <core::String>["hello"] in let dynamic _ = null in const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/downwards_inference_on_generic_function_expressions.dart:43:71: Error: A value of type '<T extends dart.core::Object>(dart.core::String) \u8594 dart.core::List<dart.core::String>' can't be assigned to a variable of type '<S extends dart.core::Object>(dart.core::int) \u8594 dart.core::List<dart.core::String>'.\nTry changing the type of the left hand side, or casting the right hand side to '<S extends dart.core::Object>(dart.core::int) \u8594 dart.core::List<dart.core::String>'.\n    v = /*error:INVALID_ASSIGNMENT*/ <T> /*@returnType=List<String>*/ (String\n                                                                      ^"));
    v = <T extends core::Object>(core::int x) → core::List<core::String> => <core::String>[let final dynamic #t8 = 3 in let dynamic _ = null in const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/downwards_inference_on_generic_function_expressions.dart:46:54: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.\nTry changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.\n          /*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ 3\n                                                     ^"))];
    v = <T extends core::Object>(core::int x) → core::List<core::String> {
      return <core::String>[let final dynamic #t9 = 3 in let dynamic _ = null in const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/downwards_inference_on_generic_function_expressions.dart:50:52: Error: A value of type 'dart.core::int' can't be assigned to a variable of type 'dart.core::String'.\nTry changing the type of the left hand side, or casting the right hand side to 'dart.core::String'.\n        /*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ 3\n                                                   ^"))];
    };
  }
  {
    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 = let final dynamic #t10 = <T extends core::Object>(core::int x) → core::int => x in let dynamic _ = null in const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/downwards_inference_on_generic_function_expressions.dart:63:36: Error: A value of type '<T extends dart.core::Object>(dart.core::int) \u8594 dart.core::int' can't be assigned to a variable of type '<T extends dart.core::Object>(dart.core::int) \u8594 dart.core::String'.\nTry changing the type of the left hand side, or casting the right hand side to '<T extends dart.core::Object>(dart.core::int) \u8594 dart.core::String'.\n            T> /*@returnType=int*/ (/*@type=int*/ x) =>\n                                   ^"));
    y = <T extends core::Object>(core::int x) → core::String => let final dynamic #t11 = x in let dynamic _ = null in const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/downwards_inference_on_generic_function_expressions.dart:66:10: Error: The method 'substring' isn't defined for the class 'dart.core::int'.\nTry correcting the name to the name of an existing method, or defining a method named 'substring'.\n        .substring(3);\n         ^"));
    <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);
  }
}
static method main() → dynamic {}