Re: [Boost-users] Using unordered_set or unordered_map to hold small array(s) of ints

Subject: Re: [Boost-users] Using unordered_set or unordered_map to hold small array(s) of ints
From: OvermindDL1 (overminddl1_at_[hidden])
Date: 2010-08-20 07:31:12

On Fri, Aug 20, 2010 at 2:21 AM, B Hart <bhartsb_at_[hidden]> wrote:
> Can someone please provide an example of how to best use unordered_map/set
> to store/lookup many small arrays of integers.  e.g. unsigned int I[5] =
> {1000,3344455,12455222,8832232};
> I'm guessing that there is no facility for using raw C++ arrays, and that
> one must wrap them in a struct.

I guess you mean C arrays and not C++ arrays as C++ arrays are
probably std::vector's.

C arrays or C++ vectors would work fine though, but you would need to
supply your own comparison function, and if C arrays add an ending tag
like zero or have a static length.