#include <Arduino.h>
#line 1 {{QuoteCppString .sketchMainFile}}
template< uint16_t nBuffSize >
  class Foo{
    public: 
  
    template< uint16_t N >
      Foo &operator +=( const Foo<N> &ref ){
        //...
        return *this;
    }
};

Foo<64> a;
Foo<32> b;

#line 15 {{QuoteCppString .sketchMainFile}}
void setup();
#line 19 {{QuoteCppString .sketchMainFile}}
void loop();
#line 15 {{QuoteCppString .sketchMainFile}}
void setup(){
  a += b;
}

void loop(){}

