Re: [boost] Switch library overloads of call operator

From: dan marsden (danmarsden_at_[hidden])
Date: 2008-01-06 07:34:19

Steven Watanabe wrote:
>dan marsden <danmarsden <at> yahoo.co.uk> writes:
>> The documentation is not specific about which specific type
>> (e.g. mpl::int_<1> for case 1 matching in the
>> underlying switch statement) is going to be used.
>The type that is passed to f is whatever is in the list of cases.

Ok cool.

>> It looks to me like
>> it would be convenient to overload
>> operator() for each case I want to service, but this will be
>> awkward to do without knowing the exact type
>> that will be incoming.
>>
>> <snip>
>
>If multiple cases are not grouped together, I don't
>see how it's an advantage to use my library vs. using a
>plain old hand-written switch.  Would you mind elaborating?

I think you're probably right, my original suggestion that multiple
overloads of operator() would be likely is probably wrong. I can only
suggest handling special cases such as divide by zero for example,
but I think my original suggestion may be a red herring.

Cheers

Dan




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