[erlang-questions] Wrong advertised spec of lists:append/2
Thu Mar 28 15:33:07 CET 2013
On 2013-03-28, at 15:12 , Pierre Fenoll wrote:
>> It's not a contradiction, as kostis noted specs are not complete
>> enumerations of all possible argument types.
> Well, lists:append/2 asks for a list() as a second argument.
No, lists:append defines what happens with a list() as a second
argument, specs often aren't prescriptive.
> it badarg when I give it 'a', as in lists:append(, a) ?
Should it? Creating improper lists is not forbidden.
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