my-emacs-d/elpa/yasnippet-20160924.2001/snippets/c++-mode/operator_ostream

# -*- mode: snippet -*-
# name: operator<<
# key: <<
# group: operator overloading
# --
std::ostream& operator<<(std::ostream& os, const ${1:Class}& ${2:c})
{
         $0
         return os;
}