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-rw-r--r--misc/examples/books.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/misc/examples/books.c b/misc/examples/books.c
index 7f0660b8..1fd57f27 100644
--- a/misc/examples/books.c
+++ b/misc/examples/books.c
@@ -7,7 +7,7 @@
// Type inference lets us omit an explicit type signature (which
// would be `HashMap<String, String>` in this example).
-int main()
+int main(void)
{
cmap_str book_reviews = {0};