目录可变对象与不可变对象生成含 x 个 不可变对象 的列表生成含 x 个 可变对象 的列表总结可变对象与不可变对象
I am making a simulator and have written lots of files and headers. The problem is whenever I include a file I give the relative path of the particular file. For example a typical code in my applicati