minimal mruby program

test_compile.c

#include “mruby.h”
#include “mruby/proc.h”
#include <stdio.h>

void _error(const char* s){
  printf("ERROR: %s\n", s);
  exit(1);
}

int main() {
  mrb_state *mrb;
  int n;

  mrb = mrb_open();

  // you could also use mrb_compile_file(mrb, file_descriptor) in order to compile certain .rb files
  n = mrb_compile_string(mrb, "d = lambda { puts 'Hello, World!' }; d[]");
  mrb_run(mrb, mrb_proc_new(mrb, mrb->irep[n]), mrb_nil_value());
  mrb_close(mrb);
}