initial

1 files changed, 38 insertions, 0 deletions

diff --git a/src/formatter/formatter.cc b/src/formatter/formatter.cc
new file mode 100644
index 0000000..6fedf8c
--- /dev/null
+++ b/src/formatter/formatter.cc
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: BSD-3-Clause
+
+#include "formatter.h"
+
+namespace formatter {
+
+std::ostream& operator<<(std::ostream& os, Unit val) {
+    switch (val) {
+        case Unit::V:
+            return os << "V";
+
+        case Unit::A:
+            return os << "A";
+
+        case Unit::Wh:
+            return os << "Wh";
+
+        case Unit::VA:
+            return os << "VA";
+
+        case Unit::Hz:
+            return os << "Hz";
+
+        case Unit::Percentage:
+            return os << "%";
+
+        case Unit::Celsius:
+            return os << "°C";
+
+        default:
+            break;
+    };
+
+    return os;
+}
+
+
+}
\ No newline at end of file