Re: What data container should I use with two different keys?
On 4 Jul, 09:53, Rupert <rswarbr...@googlemail.com> wrote:
I have the problem that I want to store some information (in a class
called ImplementationInfo), grouped by both Implementation (stored as
a string) and Interface (stored as a string). Thus given an interface
and implementation, my program needs to get the relevant
ImplementationInfo.
This immediately made me think something like:
map< pair<string,string>, ImplementationInfo >
However, the other need that my program has is to find all
implementations of a given interface or vice versa, which would be
matching "one half" of the key.
Please try http://boost.org/libs/multi_index/doc/index.html
<q>
The Boost Multi-index Containers Library provides a class template
named multi_index_container which enables the construction of
containers maintaining one or more indices with different sorting and
access semantics.
</q>
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