Node.JS-like Event Emiter
#include "event.h"
void hello(void* arg) { printf("%s %s\n", "hello", (char*)arg); }
void hi(void* arg) { printf("%s %s\n", "hi", (char*)arg); }
int main(void) {
event_emiter_t* event_emiter = event_emiter_new();
event_emitter_on(event_emiter, "hello", hello);
event_emitter_emit(event_emiter, "hello", "world");
event_emitter_emit(event_emiter, "hello", "world");
event_emitter_once(event_emiter, "hi", hi);
event_emitter_emit(event_emiter, "hi", "myfreax");
event_emitter_emit(event_emiter, "hi", "myfreax"); // invalid
event_emiter_destroy(event_emiter);
}clib install myfreax/event-emiter