Enumerator::Lazy#_enumerable_take

static VALUE
lazy_take(VALUE obj, VALUE n)
{
    long len = NUM2LONG(n);

    if (len < 0) {
        rb_raise(rb_eArgError, "attempt to take negative size");
    }

    n = LONG2NUM(len);          /* no more conversion */

    return lazy_add_method(obj, 0, 0, n, rb_ary_new3(1, n), &lazy_take_funcs);
}