Circle Calculator Help

[Timon Gehr]

On 06/27/2012 01:40 AM, Steven Schveighoffer wrote:
> On Tue, 26 Jun 2012 19:10:25 -0400, bearophile
> <bearophileHUGS at lycos.com> wrote:
>
>> Steven Schveighoffer:
>>
>>> I agree with Andrei, there is no outlet for errors in the to!T
>>> function, exception is the logical choice.
>>
>> Maybe I was not clear enough, so let me explain a bit better.
>>
>> What I don't like is to!int("15\n") to be seen as an error in the
>> first place.
>> I'd like it to ignore leading and trailing whitespace, as in Python
>> (stripping it automatically):
>
> Right, but what if it's an error in your code if whitespace is present?
> Then you have to check for whitespace and throw your own error.
>
> I admit, that would likely be a rare occasion. But having both behaviors
> should be possible.
> ...

I think the default behaviour should be the behaviour that is wanted in 
the majority of cases.