diff options
Diffstat (limited to 'lib/ur/option.ur')
| -rw-r--r-- | lib/ur/option.ur | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/ur/option.ur b/lib/ur/option.ur new file mode 100644 index 00000000..cb2a6b57 --- /dev/null +++ b/lib/ur/option.ur @@ -0,0 +1,6 @@ +datatype t = datatype Basis.option + +fun isSome [a] x = + case x of + None => False + | Some _ => True |