10 Feb
2007
10 Feb
'07
12:46 a.m.
Why? Hash containers were included already in 1994 or 1995 in the original STL by Stepanov and in (all? major?) subsequent implementations of STL. TR1 just standardized details of how hash containers must behave. They were renamed as unordered containers only to not break existing codes that may depend on a specific implementation of hashes.