Thanks for the anserws.
So I will write the braces and semicolons. It's better anyway in my opinion.
I am not going to change my editing habits just to make hugs or ghc happy.
Wether spaces or tabs are better in source files is a matter of taste and
a language should not force me to use one or another. I can't help it, but
to make the meaning of a program depend on the questions whether there are
spaces or tabs in front of the line, and how many, seems silly to me. Sorry.
Hal Daume III wrote:
>so it needs to know where the boundaries between declarations are, hence
>the need for semicolons. therefore, if you have embedded lets, you need
>braces to delimit them:
> let x = let y = z
> q = r
> in l
> in q
>would be ambiguous without layout/braces&semis.
I don't see that. Sure, you need semis. But then
let x = let y=z; q=r; in l in q
or even
let x = let y=z; q=r in l in q
is just as unambiguous as (hypothetical)
( x = ( y=z; q=r ) l ) q
I mean, you can see "let" as opening brace and "in" as closing brace. So no
real need to write "let {" and "} in".
Greetings,
Ingo
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