removeConsecutiveDuplicates function
Implementation
String removeConsecutiveDuplicates(String s) {
if (s.isEmpty) return s;
final buffer = StringBuffer();
buffer.write(s[0]);
for (int i = 1; i < s.length; i++) {
if (s[i] != s[i - 1]) buffer.write(s[i]);
}
return buffer.toString();
}