mport 'dart:convert';

// NOTE: Be sure to use double quotes ("),

// not single quotes ('), inside the JSON string.

// This string is JSON, not Dart.

var jsonString = '''

  [

    {"score": },

    {"score": }

  ]

''';

var scores = jsonDecode(jsonString);

assert(scores is List);

var firstScore = scores[];

assert(firstScore is Map);

assert(firstScore['score'] == );

var scores = [

  {'score': },

  {'score': },

  {'score': , 'overtime': true, 'special_guest': null}

];

var jsonText = jsonEncode(scores);

assert(jsonText ==

    '[{"score":40},{"score":80},'

    '{"score":100,"overtime":true,'

    '"special_guest":null}]');

List<int> utf8Bytes = [

  0xc3, 0x8e, 0xc3, 0xb1, 0xc5, 0xa3, 0xc3, 0xa9,

  0x72, 0xc3, 0xb1, 0xc3, 0xa5, 0xc5, 0xa3, 0xc3,

  0xae, 0xc3, 0xb6, 0xc3, 0xb1, 0xc3, 0xa5, 0xc4,

  0xbc, 0xc3, 0xae, 0xc5, 0xbe, 0xc3, 0xa5, 0xc5,

  0xa3, 0xc3, 0xae, 0xe1, 0xbb, 0x9d, 0xc3, 0xb1

];

var funnyWord = utf8.decode(utf8Bytes);

assert(funnyWord == 'Îñţérñåţîöñåļîžåţîờñ');

var lines = inputStream

    .transform(utf8.decoder)

    .transform(LineSplitter());

try {

  await for (var line in lines) {

    print('Got ${line.length} characters from stream');

  }

  print('file is now closed');

} catch (e) {

  print(e);

}

List<int> encoded = utf8.encode('Îñţérñåţîöñåļîžåţîờñ');

assert(encoded.length == utf8Bytes.length);

for (int i = ; i < encoded.length; i++) {

  assert(encoded[i] == utf8Bytes[i]);

}