[Haskell-cafe] Haskell newbie indentation query.
Ramaswamy, Vivek
Vivek.Ramaswamy at FMR.COM
Wed Oct 15 07:39:54 EDT 2008
Hello All~
I have just started with Haskell, and I must confess; I am in love with
it.
However one area that I am really confused about is indentation.
Lets take a look at if-else if- else block.
The way I understand it:
{------}
if something
then do
something 1
something2
else if nothing
then do
something3
something4
else do
different
{-------}
The code above gives out an error. I have been programming in python
and the above appears fine.
But it does not work.
What works is:
if something
then do
something1
something2
else if
then do
something3
something4
else do
different
I find the above scheme extremely confusing. I tried going to:
http://en.wikibooks.org/wiki/Programming:Haskell_indentation after
reading I am even more confused.
Can somebody please explain how the Haskell indentation works?
The else-if and else seem to be aligning up with "then". They should be
aligning with "If" in my opinion.
Thanks in advance.
Regards
-Vivek Ramaswamy-
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