On 28/01/2014, at 10:43 PM, john skaller wrote:
> How's about dis:
CRAP. But sometimes crap grows nice 'shrooms ..
for var i in 0 <= .. < 10 do // excludes 10
for var i in 0 <= .. <= 10 do // includes 10
for var i in 10 >= .. > 0 do // includes 10, excludes 0, downwards
so ".." just means " i and i " ..
for var i in 10 >= i and i > 0 do ...
and one is tempted by
for 10 >= var i > 0 do ...
... only problem is I don't think this will parse since "10" could be an
expression
and it might be:
for j >= i > 0 do
which might be confused with a loop like
for j in ...
noting that "in" is actually binary operator as well ... perhaps
for (min < i <= max) do ...
would disambiguate. Hmm .. no .. the first form is much better
for var i in 0 <= .. < 10 | odd | fun (x:int)=> x.double == sqr (sqrt
x.double) do
which says all the odd integers between 0 and 10 (exclusive) which are
also squares. So a generator followed by filters .. getting warmer ..
--
john skaller
[email protected]
http://felix-lang.org
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