Wei Qin <wqin@xxxxxxxxxxxxxxxx> writes: > Hi, LLeweLLyn, > > Thanks for the reply. > I tried <iomanip>, it works for g++3, but again not for g++2. > I grepped its g++-2 directory and the only showbase that I found is an enum. > So I now assume that there is no showbase manipulator in that > library. Probably correct. > > Is there any similar backward compatible way to use manipulators as > the hash_map one given at > http://gcc.gnu.org/onlinedocs/libstdc++/faq/#5_4 > ? [snip] I don't know. I doubt it; there's backward/iostream.h , but it just #includes <iostream> and adds using declarations to bring appropriate things into the global namespaces. Same for the other iostream headers in backward/.