BuildMethod.cpp(24): error C2676: binary '<<=': 'Upp::String' does not define this operator or a conversion to a type acceptable t
    o the predefined operator

error C2280: 'Block::Block(const Block &)': attempting to reference a deleted function

class Block: Moveable<Block> {
public:
	WithDeepCopy<VectorMap<String, Variable>> Vars;
	int Temps;

	Block() {
		Temps = 0;
	}

	rval_default(Block);
};