How can a time function exist in functional programming?

Question

I\'ve to admit that I don\'t know much about functional programming. I read about it from here and there, and so came to know that in functional programming, a function retu

Answer 1

Yes! You are correct! Now() or CurrentTime() or any method signature of such flavour is not exhibiting referential transparency in one way. But by instruction to the compiler it is parameterized by a system clock input.

By output, Now() might look like not following referential transparency. But actual behaviour of the system clock and the function on top of it is adheres to referential transparency.