getUniqueCharset static method

String getUniqueCharset(
  1. String content
)

Implementation

static String getUniqueCharset(String content) {
  List<String> uniqueChars = [];
  for (int i = 0; i < content.length; i++) {
    String char = content[i];
    if (!uniqueChars.contains(char)) {
      uniqueChars.add(char);
    }
  }
  return uniqueChars.join();
}