Questions about forward-declaration
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How to forward declare a template function in global or namespace with default argument?
template<typename T> void foo (T t, int i = 0); // declaration
int main () { foo(1, 0); } // error!!
template<typename T> void foo (T t, int i = 0) {} // definition
Above is a minimal ...
iammilind
Votes: 0
Answers: 1
Why does this code compile without forward declaration of my struct?
struct Figlio
{
char nome[256];
struct Genitore* padre;
struct Genitore* madre;
};
struct Genitore
{
char nome[256];
struct Figlio* progenie;
};
int main()
{
return 0;
}
I e...
volperossa
Votes: 0
Answers: 2
What is the purpose of having the forward declarations in the given fragment of C code?
I have been assigned a task to maintain a legacy CGI program which adds data to a college database. This program is made up of a single file and is compiled without warnings. The file uses forward dec...
KimHo00
Votes: 0
Answers: 1
how to solve Invalide use of incomplete type in c++ error
I am trying to understand the reason of the error I get while running main.cpp file.
I have two class (foo and gee) included in main.cpp file.
here is the error I get:
foo.cpp: In member function ‘voi...
meysamimani
Votes: 0
Answers: 0