Re: [boost] [GIL] scoped_channel_value type

Subject: Re: [boost] [GIL] scoped_channel_value type
From: fabien.castan_at_[hidden]
Date: 2010-07-22 12:33:03

>> So if you want to extract this, you will have to special-case
>> scoped_channel_value anyway. So in this case you don't need a typedef
>> inside.
>> You can just define a specialization like this:
>>
>> Template <typename ChannelValue>
>> Struct base_channel_value {
>>   typedef ChannelValue type;
>> };
>>
>> Template <typename ChannelValue, typename MinV, typename MaxV>
>> Struct base_channel_value<scoped_channel_value<ChannelValue, MinV, MaxV> >
>> {
>>   typedef ChannelValue type;
>> };
>>
>
>I really have to write that one down. I keep on forgetting this trick.

Thanks ! Maybe this utility structure can be added (like channel_type, etc.) ?