diff options
| author | Mart Lubbers | 2015-04-24 09:10:46 +0200 |
|---|---|---|
| committer | Mart Lubbers | 2015-04-24 09:10:46 +0200 |
| commit | aebffcc1c786e8cea15fff6f324bf71fc37cbb37 (patch) | |
| tree | 0879f685fc1a35361727a203b437c67bb486e981 /files/practicum/StdMaybeMonad.dcl | |
| parent | started with week2 (diff) | |
updated practicum files
Diffstat (limited to 'files/practicum/StdMaybeMonad.dcl')
| -rw-r--r-- | files/practicum/StdMaybeMonad.dcl | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/files/practicum/StdMaybeMonad.dcl b/files/practicum/StdMaybeMonad.dcl new file mode 100644 index 0000000..e9ebec1 --- /dev/null +++ b/files/practicum/StdMaybeMonad.dcl @@ -0,0 +1,9 @@ +definition module StdMaybeMonad
+
+import StdMonad
+
+:: Maybe a = Nothing | Just a
+
+instance return Maybe
+instance >>= Maybe
+instance fail Maybe
|