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-rw-r--r--Sil/Check.dcl4
1 files changed, 1 insertions, 3 deletions
diff --git a/Sil/Check.dcl b/Sil/Check.dcl
index c2ba86f..306e7d5 100644
--- a/Sil/Check.dcl
+++ b/Sil/Check.dcl
@@ -2,9 +2,7 @@ definition module Sil.Check
from StdOverloaded import class toString
-from Data.Maybe import :: Maybe
-
from Sil.Error import :: Error
from Sil.Syntax import :: Program
-checkProgram :: *(Maybe *File) Program -> *([Error], *Maybe *File)
+checkProgram :: *(? *File) Program -> *([Error], * ? *File)