Language/Variables/syntax_t02.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 variableDeclaration:
 *     declaredIdentifier (‘, ’ identifier)*
 *   ;
 *   declaredIdentifier:
 *     metadata finalConstVarOrType identifier
 *   ;
 *   finalConstVarOrType:
 *     final type? |
 *     const type? |
 *     varOrType
 *   ;
 *   varOrType:
 *     var |
 *     type
 *   ;
 *   initializedVariableDeclaration:
 *     declaredIdentifier (‘=’ expression)? (‘, ’ initializedIdentifier)*
 *   ;
 *   initializedIdentifier:
 *     identifier (‘=’ expression)?
 *   ;
 *   initializedIdentifierList:
 *     initializedIdentifier (‘, ’ initializedIdentifier)*
 *   ;
 * @description Checks various valid initialized variable declarations.
 * @author iefremov
 */

main() {
  final String $tring = "";
  final f = null;
  const String sc = "";
  const ac = 1;
  var v = 1 + 2;
  int i = 42 * 0;

  final String
    $tring1 = "But could you play",
    $tring3 = "right to the finish",
    $tring4 = "a nocturne on a drainpipe flute";

    var x, y = 1 + 2, z = 3 * 4, xc = ac+1;
    double? d, d1 = 0.5, d2;
}