Merge branch 'main' of ssh://git.bullercodeworks.com:2200/brian/adventofcode into main

helpers/coordinateByteMap.go

@@ -42,6 +42,39 @@ func StringSliceToCoordByteMap(input []string) CoordByteMap {
 	return ret
 }
 
+func (m *CoordByteMap) RowCount() int {
+	return m.BRY - m.TLY
+}
+func (m *CoordByteMap) ColCount() int {
+	return m.BRX - m.TLX
+}
+func (m *CoordByteMap) GetRow(y int) []byte {
+	var resp []byte
+	for x := m.TLX; x <= m.BRX; x++ {
+		resp = append(resp, m.Get(Coordinate{X: x, Y: y}))
+	}
+	return resp
+}
+func (m *CoordByteMap) GetCol(x int) []byte {
+	var resp []byte
+	for y := m.TLY; y <= m.BRY; y++ {
+		resp = append(resp, m.Get(Coordinate{X: x, Y: y}))
+	}
+	return resp
+}
+func (m *CoordByteMap) AddRow(row []byte) {
+	y := m.BRY + 1
+	for x := 0; x < len(row); x++ {
+		m.Put(Coordinate{X: x + m.TLX, Y: y}, row[x])
+	}
+}
+func (m *CoordByteMap) AddCol(col []byte) {
+	x := m.BRX + 1
+	for y := 0; y < len(col); y++ {
+		m.Put(Coordinate{X: x, Y: y + m.TLY}, col[y])
+	}
+}
+
 func (m *CoordByteMap) GetPos(x, y int) byte {
 	return m.Get(Coordinate{X: x, Y: y})
 }
@@ -109,7 +142,8 @@ func (m *CoordByteMap) ToByteSlices() [][]byte {
 	return ret
 }
 
-// ContainsCoord returns true if the passed coordinate is in the map
+// ContainsCoord returns true if the passed coordinate is within the bounds
+// of the map
 func (m *CoordByteMap) ContainsCoord(c Coordinate) bool {
 	return c.X >= m.TLX && c.X <= m.BRX &&
 		c.Y >= m.TLY && c.Y <= m.BRY