T Material Stones

readme.md

T Material Stones

Created with <3 with dartpad.dev.

main.dart

import "dart:convert";
import "dart:math" as math;
void main() {
  run("YMO","TMS");
}
void run(String a, String b){
  print(a.asLIB);
  print(b.asLIB);
  print(a.asLI - b.asLI);
  
}
extension on String{
  List<int> get asLI{
    List<int> asc = ascii.encode(this);
    if(!asc.every((int e)=>(65<=e&&e<=122)&&!(90<e&&e<97))){
      return [];
    }
    return asc.map((int e)=>e<=90?(e-65)*2:(e-97)*2+1).toList();
  }
  MapEntry<List<int>, String> get asLIB => MapEntry<List<int>, String>(this.asLI, this.asLI.toBinStr(6));
}
extension on List<int>{
  List<int> operator -(List<int> other){
    List<int> ret = [];
    for(int i=0;i<math.max(this.length,other.length);i++){
      ret.add((i<this.length?this[i]:0) - (i<other.length?other[i]:0));
    }
    return ret;
  }
  String toBinStr([int padLen = 0]) => this.map<String>((int e) => e.toRadixString(2).padLeft(padLen, "0")).join();
}