✨ Added Motor Group Append/Erase Functions

include/pros/motor_group.hpp

@@ -2357,6 +2357,15 @@ class MotorGroup : public virtual AbstractMotor {
 	 */
 	void append(AbstractMotor&);
 
+
+	/**
+	 * Appends all the motors on the port to this motor group
+	 *
+	 * \param port The port to append to the motor group
+	 *
+	 */
+	void append(std::int8_t port);
+
 	/**
 	 * Removes the all motors on the port (regardless of reversal) from the motor group
 	 *
@@ -2365,6 +2374,19 @@ class MotorGroup : public virtual AbstractMotor {
 	 */
 	void erase_port(std::int8_t port);
 
+	/**
+	 * Removes all the motors in the other motor group reference from this motor group
+	 *
+	 * Maintains the order of the other motor group
+	 *
+	 */
+	void operator-=(AbstractMotor&);
+
+	/**
+	 * Removes all the motors in the other motor group reference from this motor group
+	 */
+	void erase_port(AbstractMotor&);
+
 	///@}
 	private:
 	/**

src/devices/vdml_motorgroup.cpp

@@ -676,5 +676,32 @@ void MotorGroup::erase_port(std::int8_t port) {
 		}
 	}
 }
+
+void MotorGroup::append(std::int8_t port) {
+	if (std::find_if(_ports.begin(), _ports.end(), 
+                     [port](std::int8_t p) { return std::abs(p) == std::abs(port); }) 
+        == _ports.end()) {
+        // If no matching absolute value is found, append the port
+        _ports.push_back(port);
+    }
+}
+
+void MotorGroup::operator-=(AbstractMotor& other) {
+	auto ports = other.get_port_all();
+
+	// Iterate over the ports in 'other'
+    for (auto port : ports) {
+        // Remove ports that match the absolute value
+        _ports.erase(std::remove_if(_ports.begin(), _ports.end(),
+            [port](std::int8_t p) { return std::abs(p) == std::abs(port); }),
+            _ports.end());
+    }
+}
+
+void MotorGroup::erase_port(AbstractMotor& other) {
+	(*this) -= other;
+}
+
+
 }  // namespace v5
 }  // namespace pros

src/main.cpp

@@ -78,7 +78,6 @@ void opcontrol() {
 	pros::MotorGroup left_mg({1, -2, 3});    // Creates a motor group with forwards ports 1 & 3 and reversed port 2
 	pros::MotorGroup right_mg({-4, 5, -6});  // Creates a motor group with forwards port 5 and reversed ports 4 & 6
 
-
 	while (true) {
 		pros::lcd::print(0, "%d %d %d", (pros::lcd::read_buttons() & LCD_BTN_LEFT) >> 2,
 		                 (pros::lcd::read_buttons() & LCD_BTN_CENTER) >> 1,