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| author | Chariton Charitonidis <haritonch@yahoo.com> | 2019-03-15 11:01:23 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-03-15 11:01:23 +0200 |
| commit | c4664b31e5231fb56cb36cbebcef50ee699fda07 (patch) | |
| tree | 87bd37b93d7cfe51f081adf87db53749936f0896 | |
| parent | c85d93a5ed7e42ad0341bc37e43545c405da004f (diff) | |
Added a comment to better demonstrate custom datatypes.
It is not obvious for a beginner (like me) to declare a new value of the temp datatype which can be either C (celsius) or F (fahrenheit). I think it would be better to demonstrate the declaration of such a datatype.
| -rw-r--r-- | standard-ml.html.markdown | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/standard-ml.html.markdown b/standard-ml.html.markdown index b34f1c08..0ba42f39 100644 --- a/standard-ml.html.markdown +++ b/standard-ml.html.markdown @@ -272,6 +272,9 @@ fun evenly_positioned_elems (odd::even::xs) = even::evenly_positioned_elems xs datatype temp = C of real | F of real + +(* Declaring a new C temp value... + val t: temp = C 45.0 *) fun temp_to_f t = case t of |