Why will this not compile, I believe it is plain enough c++. Passing an object reference to a function is very important to my coding style :slight_smile: class John { public: int a; }; John j; // the Following line in Arduino 1.0.2 causes: // error: 'John was not declared in this scope …

Passing Object to function

system November 18, 2012, 8:24pm 5

johnwasser:
It also compiles if you change:

I wasn't aware that worked too. Does it implicitly declare 'class John;'?

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