Add test of IOAddress hash
Currently there is no use of the IOAddress hash in the core code. This adds to #1308 (closed) a simple test which verifies that the IOAddress hash can be used in unordered (aka hashed) sets and maps.
Currently there is no use of the IOAddress hash in the core code. This adds to #1308 (closed) a simple test which verifies that the IOAddress hash can be used in unordered (aka hashed) sets and maps.