C++ lambda

gistfile1.txt

namespace foo {

uint8_t bar(uint8_t xyz) {return xyz +1;}
uint8_t baz(uint8_t xyz) {return xyz +2;}
}
namespace dog {

uint8_t fido(uint8_t xyz)  {return xyz +3;}
uint8_t sparky(uint8_t xyz){return xyz +4;}
}

typedef uint8_t (*FnPtr) (uint8_t c);
uint8_t (*table[])(uint8_t c)= {foo::bar,foo::baz,dog::fido,dog::sparky};

int main()
{
   volatile uint8_t arg;
	uint8_t cmd = 0;

	
	do
	{

		auto lambda_fn = [&table](uint8_t c) -> FnPtr { return table[c]; };
		
		(lambda_fn(cmd))(arg);
		
		if (3 > cmd)
			++cmd;
		else
			cmd = 0;

	}while (1);

	return 1;
}