Method invoke

BambooTracker/command/command_manager.cpp:9–20

#include <utility>

bool CommandManager::invoke(CommandIPtr command)
{
	redoStack_.clear();

	if (!undoStack_.empty() && undoStack_.back()->mergeWith(command.get())) {
		return true;
	}

	redoStack_.push_back(std::move(command));

	return redo();
}

bool CommandManager::undo()
{