a few lines of macros for making a printable enum.
riogu
/ 1-match-construct.md
Last active
September 15, 2025 00:05
match construct for std::variant using macros
using some templates with some hacky macros to allow matching on the contents of a std::variant, and getting the underlying value immediately.
m1lkweed
/ for_each.c
Last active
June 27, 2025 08:10
`for each` macro in standard C that works on all types
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| #include <stdio.h> | |
| // Enhances `for` to automatically iterate over an array. Item cannot be used to modify the contents of array. | |
| #if __STDC_VERSION__ < 202311L | |
| #define each(item, ...) \ | |
| (int no_loops = 1, break_p = 2; (no_loops >= 1) && (break_p == 2);) \ | |
| for(typeof(*(__VA_ARGS__)) *foreach_p = (__VA_ARGS__), *foreach_p2 = foreach_p, (item) = {}; \ | |
| (foreach_p < &((foreach_p2)[sizeof(__VA_ARGS__) / sizeof(*(__VA_ARGS__))])) && \ | |
| ((break_p = (break_p == 2)?0:break_p), no_loops); ++foreach_p) \ | |
| if((__builtin_memcpy(&(item), foreach_p, sizeof(item))), 0){}else | |
| #else |
csullivan
/ cereal_polymorphic_serialization.cc
Last active
March 13, 2025 22:44
polymorphic data serialization example with cereal
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| #include <iostream> | |
| #include <vector> | |
| #include <memory> | |
| #include <cereal/archives/binary.hpp> | |
| #include <cereal/types/vector.hpp> | |
| #include <cereal/types/string.hpp> | |
| #include <cereal/types/base_class.hpp> | |
| #include <cereal/types/memory.hpp> | |
| #include <cereal/access.hpp> |