Grafting Functional Support on Top of an Imperative Language

[Simen Kjaeraas]

On Sat, 05 Apr 2008 01:09:14 +0200, Jason House  
<jason.james.house at gmail.com> wrote:

> bearophile wrote:
>> P. 31: >writeln(i);<
>>
>> Can you put (temporary) debugging writeln/putr inside a pure function?
>
> That's always bothered me about this stuff.  I don't want to lose
> debugging/logging ability!


Just use multiple return types, and have the caller do the printing.

--Simen