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authorBoris Kolpackov <boris@codesynthesis.com>2011-08-04 13:29:42 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2011-08-04 13:29:42 +0200
commit6caff6485945efcefbcf80961571dccab89b5d70 (patch)
tree0319101f13696b4bb9bd31f13f0065a1515fb389 /m4/acx-pthread.m4
parente8162bdac61ac49ae30cdfeae9f2bd3d230df809 (diff)
Add support for value wrappers
Wrapper is a class that wraps another type. Examples of wrappers are various smart pointers, holders, etc. A wrapper can be transparent or it can handle the NULL semantics. The new odb::nullable class template is a NULL wrapper that helps to add the NULL semantics to a value type. New test: common/wrapper.
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