1 files changed, 5 insertions, 0 deletions
diff --git a/src/string.cpp b/src/string.cpp
index d0361e6..05f2634 100644
--- a/src/string.cpp
+++ b/src/string.cpp
@@ -32,6 +32,7 @@
 #include <cstddef>
 #include <cstring>
 #include <malloc.h>
+#include <ostream>
 
 #ifndef MAX_SIZE_T
 #define MAX_SIZE_T           (~(size_t)0)
@@ -552,4 +553,8 @@ string::size_type string::find(const value_type *str, size_type pos) const
     return static_cast<size_type>(delta);
 }
 
+ostream& operator<<(ostream& os, const string& str) {
+    return os.write_formatted(str.data(), str.size());
+}
+
 }  // namespace std