Marxism-Fennekinism@lemmy.ml to Programmer Humor@lemmy.mlEnglish · 1 year agoOur social interaction in a nutshelllemmy.mlimagemessage-square17fedilinkarrow-up141arrow-down10
arrow-up141arrow-down1imageOur social interaction in a nutshelllemmy.mlMarxism-Fennekinism@lemmy.ml to Programmer Humor@lemmy.mlEnglish · 1 year agomessage-square17fedilink
minus-squaremeteorswarm@beehaw.orglinkfedilinkEnglisharrow-up1·1 year agoC++ does, but it’s not a very efficient operation. https://en.cppreference.com/w/cpp/string/basic_string/operator%2B
minus-squareZagorath@aussie.zonelinkfedilinkEnglisharrow-up0·edit-21 year agoI ran #include #include int main() { std::string name; std::cout << "you"+"me"; } Using cpp.sh, and got the following error: main.cpp:7:21: error: invalid operands to binary expression ('const char[4]' and 'const char[3]') std::cout << "you"+"me"; ~~~~~^~~~~ 1 error generated. edit: lemmy seems to be determined to convert my less than characters to their HTML entity codes, but the error is meant to point to the “+” sign.
minus-squaremeteorswarm@beehaw.orglinkfedilinkEnglisharrow-up1·1 year agoThis is because your operands are const char[]. That’s not a std::string.
C++ does, but it’s not a very efficient operation. https://en.cppreference.com/w/cpp/string/basic_string/operator%2B
I ran
#include #include int main() { std::string name; std::cout << "you"+"me"; }Using cpp.sh, and got the following error:
main.cpp:7:21: error: invalid operands to binary expression ('const char[4]' and 'const char[3]') std::cout << "you"+"me"; ~~~~~^~~~~ 1 error generated.edit: lemmy seems to be determined to convert my less than characters to their HTML entity codes, but the error is meant to point to the “+” sign.
This is because your operands are const char[]. That’s not a std::string.