Finally have a name for my little matrix shape iterator library. I present to you, the SHITErators. Are they THE shit? Shit? Or just Shite?

matrix.cpp

@@ -9,72 +9,6 @@ using namespace fmt;
 using std::min, std::max;
 
 namespace matrix {
-
-  flood::flood(Matrix &mat, Point start, int old_val, int new_val) :
-    mat(mat), start(start), old_val(old_val), new_val(new_val),
-     x(start.x), y(start.y), dirs{mat, start.x, start.y}
-  {
-    dbc::check(old_val != new_val, "what you doing?");
-    current_loc = start;
-    q.push(start);
-  }
-
-  bool flood::next() {
-    if(!q.empty()) {
-      if(!dirs.next()) {
-        // box is done reset it
-        auto current_loc = q.front();
-        q.pop();
-
-        dirs = matrix::compass{mat, current_loc.x, current_loc.y};
-        dirs.next();
-      }
-
-      // get the next thing
-      if(mat[dirs.y][dirs.x] <= old_val) {
-        mat[dirs.y][dirs.x] = new_val;
-        x = dirs.x;
-        y = dirs.y;
-
-        q.push({.x=dirs.x, .y=dirs.y});
-      }
-
-      return true;
-    } else {
-      return false;
-    }
-  }
-
-  line::line(Point start, Point end) :
-      x(start.x), y(start.y),
-      x1(end.x), y1(end.y)
-  {
-    dx = std::abs(x1 - x);
-    sx = x < x1 ? 1 : -1;
-    dy = std::abs(y1 - y) * -1;
-    sy = y < y1 ? 1 : -1;
-    error = dx + dy;
-  }
-
-  bool line::next() {
-    if(x != x1 || y != y1) {
-      int e2 = 2 * error;
-
-      if(e2 >= dy) {
-        error = error + dy;
-        x = x + sx;
-      }
-
-      if(e2 <= dx) {
-        error = error + dx;
-        y = y + sy;
-      }
-      return true;
-    } else {
-      return false;
-    }
-  }
-
   void dump(const std::string &msg, Matrix &map, int show_x, int show_y) {
     println("----------------- {}", msg);