method

rewind

v2_6_3 - Show latest stable - 0 notes - Class: Chain

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2_6_3 (0)
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rewind() public

Rewinds the enumerator chain by calling the “rewind” method on each enumerable in reverse order. Each call is performed only if the enumerable responds to the method.

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static VALUE
enum_chain_rewind(VALUE obj)
{
    struct enum_chain *objptr = enum_chain_ptr(obj);
    VALUE enums = objptr->enums;
    long i;

    for (i = objptr->pos; 0 <= i && i < RARRAY_LEN(enums); objptr->pos = --i) {
        rb_check_funcall(RARRAY_AREF(enums, i), id_rewind, 0, 0);
    }

    return obj;
}

rewind

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