> which is the message + send to a with argument b Yeah, I get that. What I don't get is why I should care that "a+b" means "send the message + to a with argu

> which is the message + send to a with argument b Yeah, I get that. What I don't get is why I should care that "a+b" means "send the message + to a with argument b" rather than just "add a and b". I see no benefit of the first formulation over the second. (And thanks for the kind words!)