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-rw-r--r--src/utils/optional_bool.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/utils/optional_bool.cpp b/src/utils/optional_bool.cpp
new file mode 100644
index 0000000..56fdca2
--- /dev/null
+++ b/src/utils/optional_bool.cpp
@@ -0,0 +1,8 @@
+#include <utils/optional_bool.hpp>
+
+
+std::ostream& operator<<(std::ostream& os, const OptionalBool& o)
+{
+ os << o.to_string();
+ return os;
+}