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-rw-r--r--src/jscomp.sml2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/jscomp.sml b/src/jscomp.sml
index b66cdaf2..75cca425 100644
--- a/src/jscomp.sml
+++ b/src/jscomp.sml
@@ -194,6 +194,8 @@ fun process file =
fun isNullable (t, _) =
case t of
TOption _ => true
+ | TList _ => true
+ | TDatatype (_, ref (Option, _)) => true
| TRecord [] => true
| _ => false