| 153 | } |
| 154 | |
| 155 | void erase_in( const T1& in ) |
| 156 | { |
| 157 | auto in_itr = this->in2out_mapping().find( in ); |
| 158 | if( in_itr == this->in2out_mapping().end() ) |
| 159 | { |
| 160 | return; |
| 161 | } |
| 162 | this->out2in_mapping().erase( in_itr->second ); |
| 163 | this->in2out_mapping().erase( in_itr ); |
| 164 | } |
| 165 | |
| 166 | void erase_out( const T2& out ) |
| 167 | { |