[erlang-questions] extend parser to allow single quotes in variable names (or: "let's confuse the text editors!")
Sun Oct 7 23:50:02 CEST 2012
On Mon, Oct 08, 2012 at 10:44:45AM +1300, Richard O'Keefe wrote:
> On 8/10/2012, at 5:35 AM, Motiejus Jakštys wrote:
> > Hi,
> > In Haskell you can have variable names with single quotes. Imagine for a
> > moment you are in a perfect world:
> > oops() ->
> > A = 1024,
> > A' = math:log(A) / math:log(2),
> > io:format("Wow! ~p~n", [A']).
> > What would you think about this extension?
> I would think it was pointless.
> Haskell Erlang
> x X
> x' X1
> x'' X2
> x''' X3
> x'''' X4
> x''''' X5
> Spot the pattern?
> Haskell (or at least GHC) allows primes inside identifiers too,
> but nobody seems to take advantage of that.
> Consider f'x 'y'. Want to read _that_ fast?
> Consider f'x' y'. Want to tell them apart fast?
Whoosh! This reasoning is just perfect. I never want to see code like
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