Declare a reference and initialize later?

Question

I have a reference to MyOjbect, but the the exact object depends on a condition. So I want to do something like this:

MyObject& ref; 
if([co         


        

Answer 1

You can use "extern" keyword: first time (assume, in header file) you can declare your variable preceding declaration with "extern" keyword. Later (in source file) you repeat declaration without "extern" and assign value to it.