Avoiding macros for your printing example

constexpreif.cpp

#include <utility>
#include <fmt/printf.h>

constexpr bool verboseMode{false};
constexpr bool logPrinting{false};

namespace my {
    template<typename ... T>
    inline void print(T &&... args) {
        if constexpr(!verboseMode) {}
        else if constexpr (logPrinting) { fmt::print(stderr, std::forward<T>(args) ...); }
        else { fmt::print(std::forward<T>(args) ...); }
    }

    template<typename ... T>
    inline auto printf(T &&... args) {
        if constexpr(!verboseMode) { return; }
        else if constexpr (logPrinting) { return fmt::fprintf(stderr, std::forward<T>(args) ...); }
        else { return fmt::printf(std::forward<T>(args) ...); }
    }
}

int main() {
    my::print("print:ing NONE\n");
    my::print("print:ing {}\n", "one");
    my::print("print:ing {} {}\n", 2, "three");
    my::printf("printf:ing NONE\n");
    my::printf("printf:ing %s\n", "one");
    my::printf("printf:ing %d %s\n", 2, "three");
    return 0;
}