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samples/jsonexample/lib/utils.dart

27 lines
561 B

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
String prettyPrintList(Iterable? iter) {
if (iter == null) return 'NULL';
final buff = StringBuffer();
var isFirst = true;
buff.write('[');
for (final val in iter) {
if (!isFirst) buff.write(', ');
isFirst = false;
if (val is String) {
buff.write('"$val"');
} else {
buff.write(val.toString());
}
}
buff.write(']');
return buff.toString();
}