unwords function
Combines Strings into one with spaces in between.
Implementation
String unwords(Iterable<String> listOfWords) {
if (listOfWords.isEmpty) {
return '';
}
String result = '';
for (String word in listOfWords) {
result += ('$word ');
}
//remove space at the end
result = result.replaceRange(result.length - 1, result.length, '');
return result;
}