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Diffstat (limited to '1415/files/practicum/StdStateMonad.dcl')
| -rw-r--r-- | 1415/files/practicum/StdStateMonad.dcl | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/1415/files/practicum/StdStateMonad.dcl b/1415/files/practicum/StdStateMonad.dcl new file mode 100644 index 0000000..a825dbc --- /dev/null +++ b/1415/files/practicum/StdStateMonad.dcl @@ -0,0 +1,11 @@ +definition module StdStateMonad
+
+import StdMonad
+
+:: ST s a
+
+instance return (ST s)
+instance >>= (ST s)
+
+mkST :: (s -> *(a,s)) -> ST s a
+unST :: (ST s a) -> s -> *(a, s)
|