[Haskell-cafe] View patterns
andrewcoppin at btinternet.com
Sat Feb 27 13:55:59 EST 2010
Ozgur Akgun wrote:
> A humble suggestion: Have a *lazy* "to list" method for your /lists,
> arrays, sets, etc./ and use the nice list-only version.
Yeah, that works quite nicely.
It won't work for arbitrarily complex structures, however. My main point
was that if you make the constructors abstract and provide functions to
query the structure, now you can't pattern match against it.
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