Where should I put a `condp` like function?

[Timon Gehr]

On 04/18/2013 04:18 PM, Idan Arye wrote:
> On Thursday, 18 April 2013 at 13:04:19 UTC, Graham Fawcett wrote:
>> On Sunday, 14 April 2013 at 23:52:37 UTC, Idan Arye wrote:
>>>
>>> Now, I've got it working(the example actually compiles and prints
>>> "less then 5"), and I want to make a pull request to put it in
>>> Phobos(because it's a useful function) but I don't really know where
>>> to put it. None of the existing modules seems fit, and I don't want
>>> to open a new module(std.monad?) for a single function.
>>
>> Nit-picky observation: there's nothing monadic about your predSwitch
>> function, it wouldn't belong in a 'std.monad' module.
>>
>> Best,
>> Graham
>
> A monad is "a structure that represents computations"(quote from
> Wikipedia).  ...

Read on.