[erlang-questions] indentation-sensitive erlang

Vlad Balin gaperton@REDACTED
Wed Mar 19 19:21:25 CET 2008


Can't you get rid of terminators such as 'end'? Anyway we have a kind
of two-dimentional syntax here. So you can use indentation to identify
scope. At the same time, we will address complains that it's hard to
reorder clauses in erlang because of , . and ;

f(X) ->
   X+2

g(X) ->
   X+4

h(X) ->
   Y = case X of
         a ->
           {a}
         b ->
           {b}
   Y

And that's it.

Sincerely,
Vlad Balin.

2008/3/19, Ulf Wiger <ulf@REDACTED>:
> 2008/3/11, Ulf Wiger <ulf@REDACTED>:
>  >
>  >  - I'd like to try (= see someone else implement) an indentation-sensitive
>  >   front-end to the compiler,
>
>  Ok, so I did try it myself:
>
>  http://ulf.wiger.net/weblog/2008/03/19/indentation-sensitive-erlang/
>
>  (Inspired by Chris Okasaki's blog article).
>
>  Surely someone else could do a better job, but it's a start, at least.
>
>  The following senseless program compiled:
>
>  -module(test).
>
>  -compile(export_all).
>  -scan(indentation).
>
>  f(X) ->
>     X+2
>  .
>
>  g(X) ->
>     X+4
>  .
>
>  h(X) ->
>     Y = case X of
>           a ->
>             {a}
>           b ->
>             {b}
>     end
>     Y
>  .
>
>
>  BR,
>  Ulf W
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