D Ranges
Chris
wendlec at tcd.ie
Fri Sep 13 10:57:17 PDT 2013
On Friday, 13 September 2013 at 17:35:21 UTC, Brad Anderson wrote:
> On Friday, 13 September 2013 at 14:39:29 UTC, Chris wrote:
>> On Friday, 13 September 2013 at 13:42:07 UTC, Dicebot wrote:
>>> On Friday, 13 September 2013 at 13:31:18 UTC, bearophile
>>> wrote:
>>>> In most cases today you are free to omit those ():
>>>>
>>>> foreach (bySentence.byWord.byWhateverFormat.byReformatAgain)
>>>> {
>>>>
>>>> Bye,
>>>> bearophile
>>>
>>> ...but you shouldn't if you care about readability (leave at
>>> least the last pair in the line) :P
>>
>> It also helps other people (and me) to realize that it
>> actually _does_ something and doesn't just return a value.
>> Often (not always of course), if you omit the brackets it
>> returns a value without doing anything. But that's just a
>> personal convention I might abandon further down the road.
>
> Since most ranges in std.algorithm are lazy they are usually
> not doing anything but setting a few members and returning a
> new range, often without having even touched the input range.
> Thinking about it I think I may start using () to denote eager
> versus lazy ranges in my UFCS chains.
This reminds me, I have to check whether my ranges are lazy
enough (like myself).
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