[Haskell-cafe] capture of idioms and patterns
aditya.siram at gmail.com
Sun Sep 26 14:48:19 EDT 2010
I haven't read this thread completely, but if someone else hasn't
beaten me to it, there are *lots* of Haskell idioms spelled out on the
Haskell Wiki  cleverly hidden under the category "Style".
On Fri, Sep 24, 2010 at 5:24 PM, Vo Minh Thu <noteed at gmail.com> wrote:
> 2010/9/24 Albert Y. C. Lai <trebla at vex.net>:
>> On 10-09-23 04:57 PM, Andrew Coppin wrote:
>>> If you think that sounds silly, ask some random person (not a computer
>>> programmer, just some random human) how find the sum of a list of
>> My reply: to sum 10 numbers, sum 9 numbers, then account for the 10th. More
>> Ask some random person how to find page 314 in a book. No one replies "check
>> the 1st page, check the 2nd page, check the 3rd page...". In fact, no one
>> replies in words. Almost everyone shows you how to cut to the middle or the
>> estimated weighted middle (if the book seems to have 1000 pages, they cut
>> near the one-third point), then say "oh, before this" or "oh, after this",
>> repeat. Almost everyone divides and conquers. Almost everyone recurses.
>> I am not a computer programmer.
>> (I know that someone is bound to think, "when confronted with the problem of
>> summing numbers, some people think, 'I know, I will divide and conquer'. Now
>> they have two problems of summing numbers.")
> A computer scientist knows how to count the stars in the sky: simply
> count half of them then multiply by two. -- or something like that.
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