Language/Expressions/Function_Expressions/static_type_form_3_t01.dart

// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/// @assertion The static type of a function literal of the form
/// (T1 a1,...,Tn an, {Tn+1 xn+1: d1,...,Tn+k xn+k: dk }) {s} is
/// (T1,...,Tn, {Tn+1 xn+1,...,Tn+k xn+k}) -> dynamic.
/// In any case where Ti, 1 <= i <= n + k, is not specified, it is considered
/// to have been specified as dynamic.
/// @description Checks that the static type of function literal of the form
/// (T1 a1,...,Tn an, {Tn+1 xn+1: d1,...,Tn+k xn+k: dk}) {s} is
/// (T1,...,Tn, {Tn+1 xn+1,...,Tn+k xn+k}) -> dynamic and that wherever
/// an argument type of a function literal is not specified, it is considered
/// to have been specified as dynamic.
/// @author kaigorodov


typedef dynamic dynFuncBoolParam(bool p1, {bool? p2});
typedef dynamic dynFuncIntParam(int p1, {int? p2});
typedef dynamic dynFuncStringParam(String p1, {String? p2});
typedef dynamic dynFuncListParam(List p1, {List? p2});

main() {
  dynFuncBoolParam dfbp = (bool p1, {bool? p2}) { return 1; };
  dfbp = (bool p1, {bool? p2: true}) { var x = p1; };
  dfbp = (a, {p2}) {};

  dynFuncIntParam dfip = (int p1, {int? p2}) {[1][0];};
  dfip = (int p1, {int? p2}) {return p1 + (p2 as int);};
  dfip = (a, {p2}) {};

  dynFuncStringParam dfsp = (String s1, {String? p2}) {return "";};
  dfsp = (String s1, {String? p2}) {10 << 2;};
  dfsp = (a, {p2}) {};

  dynFuncListParam dflp = (List p1, {List? p2}) {};
  dflp = (List l1, {List? p2}) { return {}; };
  dflp = (a, {p2}) {};
}