diff options
Diffstat (limited to 'gensym.sml')
| -rw-r--r-- | gensym.sml | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gensym.sml b/gensym.sml new file mode 100644 index 0000000..7a5f123 --- /dev/null +++ b/gensym.sml @@ -0,0 +1,5 @@ +structure Gensym = +struct + val counter : int ref = ref 0 + fun new () : int = (counter := (!counter + 1) ; !counter) +end |