Fix warnings: 4, 6, 29

[tiger.ml.git] / tiger / src / lib / tiger / tiger_lexer.mli

diff --git a/tiger/src/lib/tiger/tiger_lexer.mli b/tiger/src/lib/tiger/tiger_lexer.mli
index fd30dce..dceeee5 100644 (file)
--- a/tiger/src/lib/tiger/tiger_lexer.mli
+++ b/tiger/src/lib/tiger/tiger_lexer.mli
@@ -1 +1 @@
-val token : Lexing.lexbuf -> Tiger_parser.Token.t
+val token : Lexing.lexbuf -> Tiger_parser.Token.t option