what does "syntax error found at EOF" means and why am i getting it for this recursive function?

Asked Feb 28 '20 at 10:05

Active Feb 28 '20 at 10:12

Viewed 262 times

I'm getting the error in SMLNJ:

Error: syntax error found at EOF

what does this means? The function that seems to be causing the error is the following.

fun number_in_month (dates : int*int*int list, month : int) = 
           if null dates
           then 0
           else if #2 (hd dates) = month
           then number_in_month(tl dates, month) + 1

It is supposed to take a list of dates (int*int*int list) and a month (int) and returns how many dates in the list are in the given month. Thanks for your kind help.

edited Feb 28 '20 at 10:12

asked Feb 28 '20 at 10:05

deppep

1

You're missing an `else`. – molbdnilo Feb 28 '20 at 12:31
Take a look at [some other questions](https://stackoverflow.com/search?q=%5Bsml%5D+number_in_month) about this exercise. – molbdnilo Feb 28 '20 at 12:35
1

See also [this Q&A](https://stackoverflow.com/questions/60402276). – sshine Mar 02 '20 at 16:14
@SimonShine Thank you. I should have tried to search more in deep before asking. – deppep Mar 02 '20 at 18:25

what does "syntax error found at EOF" means and why am i getting it for this recursive function?

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