[erlang-questions] Proposal for is_iolist/1 guard

Oscar Hellström <>
Tue May 26 14:20:20 CEST 2009


Hi Maxim,

Wouldn't is_list(X); is_binary(X) be enough?

Maxim Treskin wrote:
> Hello
>
> I see, erlang does not have is_iolist/1 guard, while iolist() type
> used in some places in OTP (i.e. ports interaction).
> Is it possible to add this BIF?
>
> Thank you.
>
> -- 
> Maxim Treskin
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Best regards

-- 
Oscar Hellström, 
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Erlang Training and Consulting Ltd
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