[Haskell-beginners] [x] and (x:_) for lists -- did you ever think that odd?

[Ertugrul Söylemez]

AntC <anthony_clayden at clear.net.nz> wrote:

> So Ertugrul, as an experienced Haskeller which of these do you put in
> your code for a singleton list (whether appearing in a pattern or as
> an expression): [x]
>     (x: [])

I tend to use bracket notation for fixed-length list patterns.


> Or perhaps you mix them, depending on whether you want to be more
> suggestive of an empty list [] or an unknown-length list (x: xs)?

Yes.  It's quite seldom that I use bracket notation, though.  That's
simply because it's seldom that I pattern-match against fixed-length
lists.


Greets,
Ertugrul
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