Method strip

fem/code_generation.cpp:250–255

            }

            static string strip(string s) {
                int n = s.size();
                if(n<=1) return s;
                if(s[0] == '(' && s[n-1] == ')') return strip(s.substr(1,n-2));
                return s;
            }
            mutable string s;

            static CCode Par(const CCode &c) {