Google Groups no longer supports new Usenet posts or subscriptions. Historical content remains viewable.
Dismiss
initial value of pointer value in std map ?
19 views
Skip to first unread message
PGK
Apr 2, 2009, 6:32:42 AM4/2/09
to
If I use std::map with pointer values, can I assume they will have an
initial value of zero, when I use the [] operator on a key that
doesn't exist? For example, will this:
initial value of zero, when I use the [] operator on a key that
doesn't exist? For example, will this:
map<int, fstream *> m;
cout << m[123];
always output a zero/NULL/0?
Thanks,
Paul
ZikO
Apr 2, 2009, 6:46:35 AM4/2/09
to
Yes, it will initialize fstream pointer with zero. The same would happen
with simple int, int* etc.
diane...@gmail.com
May 15, 2018, 1:52:00 AM5/15/18
to
0 new messages