Library Version 11.2.5.2
void merge(self &x)
Merge content with another container.
This function supports auto-commit.
The other list to merge with.
http://www.cplusplus.com/reference/stl/list/merge/
void merge(self &x, Compare comp)
The compare function to determine insertion position.
http://www.cplusplus.com/reference/stl/list/
db_vector