reverse static method
反转字符串
Implementation
static String reverse(String? text) {
if (isEmpty(text)) {
return '';
}
int length = text?.length ?? 0;
StringBuffer sb = StringBuffer();
for (int i = length - 1; i >= 0; i--) {
var codeUnitAt = text?.codeUnitAt(i) ?? 0;
sb.writeCharCode(codeUnitAt);
}
return sb.toString();
}