Method: Enumerator#initialize_copy

Defined in:
enumerator.c

#initialize_copy(orig) ⇒ Object

:nodoc:



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# File 'enumerator.c', line 490

static VALUE
enumerator_init_copy(VALUE obj, VALUE orig)
{
    struct enumerator *ptr0, *ptr1;

    if (!OBJ_INIT_COPY(obj, orig)) return obj;
    ptr0 = enumerator_ptr(orig);
    if (ptr0->fib) {
        /* Fibers cannot be copied */
        rb_raise(rb_eTypeError, "can't copy execution context");
    }

    TypedData_Get_Struct(obj, struct enumerator, &enumerator_data_type, ptr1);

    if (!ptr1) {
        rb_raise(rb_eArgError, "unallocated enumerator");
    }

    RB_OBJ_WRITE(obj, &ptr1->obj, ptr0->obj);
    ptr1->meth = ptr0->meth;
    RB_OBJ_WRITE(obj, &ptr1->args, ptr0->args);
    ptr1->fib  = 0;
    ptr1->lookahead  = Qundef;
    ptr1->feedvalue  = Qundef;
    RB_OBJ_WRITE(obj, &ptr1->size, ptr0->size);
    ptr1->size_fn  = ptr0->size_fn;

    return obj;
}