lambda_function_member_of_struct_array1.cpp
Posted by Anonymous on Mon 14th Feb 2022 13:38
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/*
 * Lambda functions as members of a struct in an arrway demo
 *
 * Compile with:
 * $ g++ -std=gnu++17 -Wall lam1.cpp #
 * $ clang++ -std=gnu++17 -Wall lam1.cpp #
 *
 * Written by Roland Mainz <roland.mainz@nrubsig.org>
 */

#include <stdlib.h>
#include <stdio.h>
#include <functional>

struct foo
{
        const char *name;
        const std::function<void()> func;
};

int main(int ac, char *av[])
{
        struct foo f[4] = {
                { .name = "one",        .func = [=](void){ puts("insane");      } },
                { .name = "two",        .func = [=](void){ puts("in");          } },
                { .name = "three",      .func = [=](void){ puts("the");         } },
                { .name = "four",       .func = [=](void){ puts("mainframe");   } },
        };

        for(int i=0 ; i < 4 ; i++) {
                f[i].func();
        }

        return EXIT_SUCCESS;
}