Marxism-Fennekinism@lemmy.ml to Programmer Humor@lemmy.mlEnglish · 2 years 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 · 2 years agomessage-square17fedilink
minus-squareZagorath@aussie.zonelinkfedilinkEnglisharrow-up3·2 years agoMost languages support concatenation of strings using the + operator. The only mainstream languages I can think of that don’t are PHP (which uses “.”) and low-level languages like C & C++.
minus-squareVanillaGorilla@kbin.sociallinkfedilinkarrow-up3·2 years agoJavaScript might even concatenate some integers instead of adding them just for shits and giggles.
minus-squareEiim@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up1·2 years agoR uses paste0() for some reason
minus-squaremeteorswarm@beehaw.orglinkfedilinkEnglisharrow-up1·2 years 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-22 years 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.
minus-squareRikudou_Sage@lemmings.worldlinkfedilinkarrow-up1arrow-down1·2 years agoC++ does as well, doesn’t it? Though I don’t often use std::string, so I’m not sure. But every other string type I worked with had + overloaded.
Most languages support concatenation of strings using the + operator. The only mainstream languages I can think of that don’t are PHP (which uses “.”) and low-level languages like C & C++.
JavaScript might even concatenate some integers instead of adding them just for shits and giggles.
Lua uses
..R uses
paste0()for some reasonC++ 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.
C++ does as well, doesn’t it? Though I don’t often use std::string, so I’m not sure. But every other string type I worked with had + overloaded.