#include "ruby/ruby.h"

VALUE even_m(VALUE self, VALUE num_val)
{
  int num = NUM2INT(num_val);

  if(num % 2 == 0){
    return Qtrue;
  }else{
    return Qfalse;
  }
}

void Init_even(void){
  VALUE cEven = rb_define_class("Even", rb_cObject);
  rb_define_method(cEven, "even?", even_m, 1);
}