Misc fixes

1 files changed, 2 insertions, 2 deletions

diff --git a/examples/commands/commands.tm b/examples/commands/commands.tm
index ddd04d7b..170e45bc 100644
--- a/examples/commands/commands.tm
+++ b/examples/commands/commands.tm
@@ -11,12 +11,12 @@ enum ExitType(Exited(status:Int32), Signaled(signal:Int32), Failed):
         when e is Exited(status): return (status == 0)
         else: return no
 
-    func or_fail(e:ExitType, message=none:Text):
+    func or_fail(e:ExitType, message:Text?=none):
         if not e:succeeded():
             fail(message or "Program failed: $e")
 
 struct ProgramResult(stdout:[Byte], stderr:[Byte], exit_type:ExitType):
-    func or_fail(r:ProgramResult, message=none:Text -> ProgramResult):
+    func or_fail(r:ProgramResult, message:Text?=none -> ProgramResult):
         when r.exit_type is Exited(status):
             if status == 0:
                 return r