diff options
| author | Jeff Parent <jeff@commentedcode.org> | 2019-04-14 01:41:21 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-04-14 01:41:21 -0500 |
| commit | d9b80337ba915040c9e019db79b1ce62c736c4db (patch) | |
| tree | 1a83d65772bf30903cd3547356e2034cd2238ab6 /fsharp.html.markdown | |
| parent | 2dde374091366cb098e5d405daa9c4c4c469b6dc (diff) | |
List Matching first element of "many"
Updated the pattern matching for lists to show how to get head of a list when you don't care how many other elements are in the list.
Diffstat (limited to 'fsharp.html.markdown')
| -rw-r--r-- | fsharp.html.markdown | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fsharp.html.markdown b/fsharp.html.markdown index 59461eed..24044d76 100644 --- a/fsharp.html.markdown +++ b/fsharp.html.markdown @@ -194,7 +194,7 @@ module ListExamples = | [] -> printfn "the list is empty" | [first] -> printfn "the list has one element %A " first | [first; second] -> printfn "list is %A and %A" first second - | _ -> printfn "the list has more than two elements" + | first :: _ -> printfn "the list has more than two elements, first element %A" first listMatcher [1; 2; 3; 4] listMatcher [1; 2] |