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Generic Programming Templates in C++

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Explore how variadic templates and recursive function calls create a type-safe printf variant in C++. Understand template argument deduction and control flow for format string processing, preparing you to study fold expressions in the next lesson.

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Solution Review of

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C++
// printf.cpp
#include <iostream>
 
void myPrintf(const char* format) 
{
    std::cout << format;
}
 
template<typename T, typename... Args>
void myPrintf(const char* format, T value, Args... args)
{
    for ( ; *format != '\0'; format++ ) {
        if ( *format == '%' ) {
           std::cout << value;
           myPrintf(format+1, args...);
           return;
        }
        std::cout << *format;
    }
}
 
int main(){
    myPrintf("% world% %\n","Hello",'!',2011);
}
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