View Compilation Error

0_0_22344453_4094.cpp: In function 'void getNext(std::string)':
0_0_22344453_4094.cpp:16:13: error: expected ')' at end of input
     while(i<len 
             ^
0_0_22344453_4094.cpp:16:13: error: expected statement at end of input
0_0_22344453_4094.cpp:16:13: error: expected '}' at end of input