Hello, I’m trying to use string without Arduino.h file. I created this simply code. Unfortunately it is generating error. #include <string.h> void setup() { String abca = "aba"; } Error: error: ‘String’ was not declared in this scope I can’t use Arduino.h because when I start unit tests on nativ…

Error after using string

maxgerhardt October 17, 2021, 10:47pm 7

String is an Arduino.h class. There are raw char* as strings (for functions from string.h) and the std::string C++ datastructure (from #include <string>).

Confusion with strings and string size in C++ - #2 by maxgerhardt explains more.

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