View Compilation Error

0_0_37854272_11633.cpp:57:32: error: expected '}' at end of input
      poly& clear(int l,int len){//clear
                                ^
0_0_37854272_11633.cpp: In member function 'Poly::poly& Poly::poly::clear(int, int)':
0_0_37854272_11633.cpp:57:32: error: expected '}' at end of input
0_0_37854272_11633.cpp: At global scope:
0_0_37854272_11633.cpp:57:32: error: expected unqualified-id at end of input
0_0_37854272_11633.cpp:57:32: error: expected '}' at end of input