pillmillipedes

  primitive speedup  
  sum price 7.7x  
  avg price 33x

  class User{phone: ?PhoneNumber}

  class User{phone: ?string}.

  // C++ (naive version, sorry)  
  vector<int> bin(vector<int>& x, vector<int>& y) {  
    vector<int> r;  
    for (int a:x) r.push_back(lower_bound(y.begin(),y.end(),a) - y.begin())  
    return r;  
  }



  # Jet  
  ord<<{x asc asc} # double grade idiom  
  bin<<{y,x ord drop len[y]-ord[x]-1}