1 files changed, 2 insertions, 0 deletions
diff --git a/contrib/epee/include/span.h b/contrib/epee/include/span.h
index 174915ecf..b1296a0b7 100644
--- a/contrib/epee/include/span.h
+++ b/contrib/epee/include/span.h
@@ -109,6 +109,8 @@ namespace epee
     constexpr std::size_t size() const noexcept { return len; }
     constexpr std::size_t size_bytes() const noexcept { return size() * sizeof(value_type); }
 
+    const T &operator[](size_t idx) const { return ptr[idx]; }
+
   private:
     T* ptr;
     std::size_t len;