/*
* call-seq:
* obj !~ other => nil
*
* Returns true if two objects does not match, using <i>=~</i> method.
*/
static VALUE
rb_obj_not_match(VALUE obj1, VALUE obj2)
{
VALUE result = rb_funcall(obj1, id_match, 1, obj2);
return RTEST(result) ? Qfalse : Qtrue;
}