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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
commit9ac9bb98f307156c02fa19ea747cf5eb1d2dcadf (patch)
tree8237f586c0198b82c186e7e7700ff9aaf7405bd5 /build/import
parent1d2e161846310145c8bf4343a041818c57ca611e (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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