[Boost-users] signature discrepancy between equal_range and upper_bound

Subject: [Boost-users] signature discrepancy between equal_range and upper_bound
From: giecrilj_at_[hidden]
Date: 2011-12-06 05:34:01

The algorithm equal_range takes the Value by constant reference 
while the algorithm upper_bound takes Value by value.  
Why is that?  (Note that standard algorithms take a constant reference.)