Has TRUE always had a non-zero value?

Question

I have a co-worker that maintains that TRUE used to be defined as 0 and all other values were FALSE. I could swear that every language I\'ve worked with, if you could even

Answer 1

In the C language, before C++, there was no such thing as a boolean. Conditionals were done by testing ints. Zero meant false and any non-zero meant true. So you could write

if (2) {
  alwaysDoThis();
} else {
  neverDothis();
}

Fortunately C++ allowed a dedicated boolean type.