A basic question

[salil GK]

Hi Richard

     In fact I am slowly migrating from other languages to Erlang and
didn't realise that function pointer  has a syntax.
     Yes the documentation is self explanatory.


On Mon, 2 Mar 2020 at 17:08, Richard O'Keefe <raoknz@REDACTED> wrote:
>
> Just as a matter of curiosity, and perhaps as a step towards
> improving documentation, where did you get the idea that
> myfunc(Val) ->
> was valid Erlang?
>
> Are you aware of the on-line reference manual at
> https://erlang.org/doc/reference_manual/introduction.html
> Section 8.18 describes 'fun's.
>
>
> On Sun, 1 Mar 2020 at 22:28, salil GK <gksalil@REDACTED> wrote:
> >
> > Hello
> >    I just started learning Erlang. I fail to understand the error I am
> > getting while compiling the below program.
> >
> > >>>>>
> >
> > -module(hw).
> >
> > %% API
> > -export([ for/2, forloop/1]).
> >
> >
> > for([],_) ->
> >   [];
> > for([X|Xs], Func) ->
> >   Func(X),
> >   for(Xs, Func).
> >
> > forloop(X) ->
> >   Fn = myfunc(Val) ->
> >       io:fwrite("From myfunc ~w" , [Val]) end,
> >   for(X, Fn).
> >
> > <<<<<
> >
> > basically I am trying to make a for loop with a call back function.
> > I am getting the following error while compiling
> > hw.erl:23: syntax error before: '->'
> > line 23 is
> >   Fn = myfunc(Val) ->
> >
> > ~S