help2002

It's UWAweek 47

help2002

This forum is provided to promote discussion amongst students enrolled in CITS2002 Systems Programming.
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UWA week 36 (2nd semester, mid-semester break) ↓

1st project Evaluation of Function with No Returns (both)

1:54pm Wed 4th Sep, Daniel J.

The description of ML allows for functions to have no return statements. If I have a function like:

function noreturn a b
    print a + b

print 1 + noreturn(1, 2)

Obviously the inner print will print 3, but what about the outer print? Is it expected that functions with no return implicitly return 0?

Or is it a syntax error to try and perform the + operation between a number and effectively void?

UWA week 37 (2nd semester, week 7) ↓

1st project Evaluation of Function with No Returns (both)

8:38pm Wed 11th Sep, Joshua N.

"Daniel Jones" [email protected] wrote:

The description of ML allows for functions to have no return statements. If I have a function like:
function noreturn a b
    print a + b

print 1 + noreturn(1, 2)
Obviously the inner print will print 3, but what about the outer print? Is it expected that functions with no return implicitly return 0?

Or is it a syntax error to try and perform the + operation between a number and effectively void?

I would say it works as it does in c, and would return 0, so the outer print would return 1.