Method: Enumerator#rewind

Defined in:

enumerator.c

#rewind ⇒ Object

Rewinds the enumeration sequence by the next method.

If the enclosed object responds to a "rewind" method, it is called.

# File 'enumerator.c'

/*
 * call-seq:
 *   e.rewind   -> e
 *
 * Rewinds the enumeration sequence by the next method.
 *
 * If the enclosed object responds to a "rewind" method, it is called.
 */

static VALUE
enumerator_rewind(VALUE obj)
{
    struct enumerator *e = enumerator_ptr(obj);

    rb_check_funcall(e->obj, id_rewind, 0, 0);

    e->fib = 0;
    e->dst = Qnil;
    e->lookahead = Qundef;
    e->feedvalue = Qundef;
    e->stop_exc = Qfalse;
    return obj;
}