List comprehensions

[Albert Hofkamp]

On 21 Dec 1999 18:20:27 +0100, Magnus L. Hetland <mlh at vier.idi.ntnu.no> wrote:
>hat at se-46.wpa.wtb.tue.nl (Albert Hofkamp) writes:
>
>> PS I'd like to have a stronger visual separation between the result
>>    expression, and the iterations and conditions, so '|' looks better to me
>>    than ',' .
>>    This is especially true if you do not start with an iteration, like in
>> 
>>    [ x>6, x>5 ]
>> 
>>    (Bonus-points for the people who understand what the result is
>>    :-) )
>
>How could you tell, as long as you haven't defined an order over, or
>even a range for x? The result could be practically anything.

If you look at it as an iteration, then the equivalent Python code is
  res = []
  if x>5:
     res := res + [x>6]

So depending on the value of x, you'd get [], [false], or [true]



Albert
---
Look ma, windows without Windows !!