View Compilation Error

0_0_10827418_17048.cpp:334: error: `CG::Po' is not a template
0_0_10827418_17048.cpp:334: error: expected primary-expression before ')' token
0_0_10827418_17048.cpp:334: error: expected `>' before '{' token
0_0_10827418_17048.cpp:334: error: missing `>' to terminate the template argument list
0_0_10827418_17048.cpp:334: error: expected unqualified-id before '{' token
0_0_10827418_17048.cpp: In function `CG::Po CG::lt(CG::Po)':
0_0_10827418_17048.cpp:360: error: 'struct CG::Po' has no member named 'lt'
0_0_10827418_17048.cpp: In member function `CG::Line& CG::Line::push(DB)':
0_0_10827418_17048.cpp:402: error: 'struct CG::Po' has no member named 'lt'
0_0_10827418_17048.cpp: In function `CG::Po CG::operator&(const CG::Po&, const CG::Line&)':
0_0_10827418_17048.cpp:418: error: 'struct CG::Po' has no member named 'lt'