Two. H file, need each other of the element in the standard practice is how to do?-CodePudding

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Two. H file, need each other of the element in the standard practice is how to do?

Time：10-19

 # if! Define

Look at!

CodePudding user response:

Fifth floor positive solution
It is ok to forward declaration

CodePudding user response:

 # pragma once

This is ok, you give it a try
Don't use # endif

CodePudding user response:

my name is hou wan, 9/f, reference floor response:

forward declaration can

my name is hou wan, 9/f, reference floor response:

forward declaration can

What's it like in front statement? Can be directly written for me to have a look?