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ece02e93bd
In C++, true and false are language keywords, so there is no need to define them as macros. Including stdbool.h in C++ effectively changes nothing. In C, true, false and also the bool type are not available, but including stdbool.h will make them available. Using stdbool.h means that we get true, false and the bool type in whatever way the compiler thinks is best, which seems like a good idea to me. This also fixes the following compiler warnings if a .c file includes both stdbool.h and Arduino.h: warning: "true" redefined [enabled by default] #define true 0x1 warning: "false" redefined [enabled by default] #define false 0x0 This fixes #1570 and helps toward fixing #1728. This only changed the AVR core, the SAM core already doesn't define true and false (but doesn't include stdbool.h either). |
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