Language/Expressions/Assignable_Expressions/syntax_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 Assignable expressions are expressions that can appear on the
/// left hand side of an assignment.
/// assignableExpression:
///   primary (arguments* assignableSelector)+ |
///   super unconditionalAssignableSelector |
///   identifier
/// ;
/// unconditionalAssignableSelector:
///   '[' expression ']' |
///   '.' identifier
/// ;
/// assignableSelector:
///   unconditionalAssignableSelector |
///   '?.' identifier
/// ;
/// An assignable expression is either:
/// • An identifier.
/// • An invocation (possibly conditional) of a getter or list access operator
///   on an expression e.
/// • An invocation of a getter or list access operator on super.
/// @description Checks that expressions that fits into this grammar
/// can be used in the left hand side of an assignment.
/// @author msyabro


topLevelFunction() => ["x"];

class S {
  const S();
}

class A {
  method() => ["y"];
  test() {
    var ident = [""];

    //listLiteral
    [0, 1, 2, 3][1] = 1;

    //identifier
    ident[0] = "Lily was here";

    //constantObjectExpression
    const c = 1;

    //(functionInvocation)
    (topLevelFunction())[0] = "testme";

    //(methodInvocation)
    (this.method())[0] = "1";
  }
}

main() {
  A a = new A();
  a.test();
}