Marxism-Fennekinism@lemmy.ml to Programmer Humor@lemmy.mlEnglish · 2 years agoOur social interaction in a nutshelllemmy.mlimagemessage-square35fedilinkarrow-up1695arrow-down130
arrow-up1665arrow-down1imageOur social interaction in a nutshelllemmy.mlMarxism-Fennekinism@lemmy.ml to Programmer Humor@lemmy.mlEnglish · 2 years agomessage-square35fedilink
minus-squareZagorath@aussie.zonelinkfedilinkEnglisharrow-up32·2 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-up25arrow-down1·2 years agoJavaScript might even concatenate some integers instead of adding them just for shits and giggles.
minus-squareEiim@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up12·2 years agoR uses paste0() for some reason
minus-squareRikudou_Sage@lemmings.worldlinkfedilinkarrow-up9arrow-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.
minus-squareZagorath@aussie.zonelinkfedilinkEnglisharrow-up2·2 years agoI dunno, I’ve never actually worked in C++, but I tried it out online and it didn’t seem to work.
minus-squaremeteorswarm@beehaw.orglinkfedilinkEnglisharrow-up4·2 years agoC++ does, but it’s not a very efficient operation. https://en.cppreference.com/w/cpp/string/basic_string/operator%2B
minus-squarevanZuider@feddit.delinkfedilinkarrow-up3·2 years agoUsing the C++ standard library beyond the C backwards compatible parts? What devilry is this‽
minus-squareZagorath@aussie.zonelinkfedilinkEnglisharrow-up2·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-up1·2 years agoThis is because your operands are const char[]. That’s not a std::string.
minus-squareLeFrog@discuss.tchncs.delinkfedilinkarrow-up1·2 years agoI think your link has a double encoded % at the end: %25 The correct link is https://en.cppreference.com/w/cpp/string/basic_string/operator2B
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.
R uses
paste0()for some reasonC++ 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.
I dunno, I’ve never actually worked in C++, but I tried it out online and it didn’t seem to work.
Lua uses
..C++ does, but it’s not a very efficient operation. https://en.cppreference.com/w/cpp/string/basic_string/operator%2B
Using the C++ standard library beyond the C backwards compatible parts? What devilry is this‽
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.
I think your link has a double encoded
%at the end:%25The correct link is https://en.cppreference.com/w/cpp/string/basic_string/operator2B