1.Without #pragma once
2.When complement #pragma once,compile worked
标签：resolved,macro,add,redifinition,pragma,once From： https://www.cnblogs.com/Fred1987/p/17216832.html
1.Without #pragma once
2.When complement #pragma once,compile worked
标签：resolved,macro,add,redifinition,pragma,once From： https://www.cnblogs.com/Fred1987/p/17216832.html