[erlang-questions] Which built-in function makes [H|T] ?

[Pierre Fenoll]

It would be nice to have a cons function, either in the erlang or lists
module.
One usage for it I have had is as the accumulator function of
filelib:fold_dirs/5

On Tue 14 Nov 2017 at 10:55, Roger Lipscombe <roger@REDACTED> wrote:

> See this thread from earlier this year:
> http://erlang.org/pipermail/erlang-questions/2017-January/091560.html
>
> On 14 November 2017 at 08:50, Richard Carlsson
> <carlsson.richard@REDACTED> wrote:
> > Most operators have a corresponding function in the 'erlang' module. For
> > example, A + B can be written erlang:'+'(A,B). However, the cons operator
> > [|] does not, as far as I know.
> >
> >
> >
> >
> >         /Richard
> >
> > 2017-11-14 8:56 GMT+01:00 Zhongzheng Liu <liuzhongzheng2012@REDACTED>:
> >>
> >> Hi mail-list:
> >>
> >> Which built-in function work as   fun(H, T) -> [H|T] end ?
> >>
> >> i.e how to fill the following expression without user defined function ?
> >>
> >> [H|T] = erlang:apply(???, ???, [H, T]).
> >>
> >>
> >> Thanks
> >>
> >>                            Liu zhongzheng
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-- 

Cheers,
-- 
Pierre Fenoll
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