1 files changed, 40 insertions, 0 deletions
diff --git a/include/frozen/bits/elsa_std.h b/include/frozen/bits/elsa_std.h
new file mode 100644
index 0000000..0445e73
--- /dev/null
+++ b/include/frozen/bits/elsa_std.h
@@ -0,0 +1,40 @@
+#ifndef FROZEN_LETITGO_BITS_ELSA_STD_H
+#define FROZEN_LETITGO_BITS_ELSA_STD_H
+
+#include "elsa.h"
+#include "hash_string.h"
+
+#ifdef FROZEN_LETITGO_HAS_STRING_VIEW
+#include <string_view>
+#endif
+#include <string>
+
+namespace frozen {
+
+#ifdef FROZEN_LETITGO_HAS_STRING_VIEW
+
+template <typename CharT> struct elsa<std::basic_string_view<CharT>>
+{
+    constexpr std::size_t operator()(const std::basic_string_view<CharT>& value) const {
+        return hash_string(value);
+    }
+    constexpr std::size_t operator()(const std::basic_string_view<CharT>& value, std::size_t seed) const {
+        return hash_string(value, seed);
+    }
+};
+
+#endif
+
+template <typename CharT> struct elsa<std::basic_string<CharT>>
+{
+    constexpr std::size_t operator()(const std::basic_string<CharT>& value) const {
+        return hash_string(value);
+    }
+    constexpr std::size_t operator()(const std::basic_string<CharT>& value, std::size_t seed) const {
+        return hash_string(value, seed);
+    }
+};
+
+} // namespace frozen
+
+#endif // FROZEN_LETITGO_BITS_ELSA_STD_H
+\ No newline at end of file