diff options
| -rw-r--r-- | standard-ml.html.markdown | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/standard-ml.html.markdown b/standard-ml.html.markdown index ab5e4b84..f7526bb8 100644 --- a/standard-ml.html.markdown +++ b/standard-ml.html.markdown @@ -95,7 +95,8 @@ val groups = [ [ "Alice", "Bob" ], val number_count = List.length numbers (* gives 7 *) -(* You can put single values in front of lists of the same kind *) +(* You can put single values in front of lists of the same kind + using the :: ("cons") operator *) val more_numbers = 13 :: numbers (* gives [13, 1, 3, 3, 7, ...] *) val more_groups = ["Batman","Superman"] :: groups |