Finished the mapping between dynamo attribute values and tamarin values

internal/common/maputils/map.go

@@ -0,0 +1,23 @@
+package maputils
+
+func Values[K comparable, T any](ts map[K]T) []T {
+	values := make([]T, 0, len(ts))
+	for _, v := range ts {
+		values = append(values, v)
+	}
+	return values
+}
+
+func MapValuesWithError[K comparable, T, U any](ts map[K]T, fn func(t T) (U, error)) (map[K]U, error) {
+	us := make(map[K]U)
+
+	for k, t := range ts {
+		var err error
+		us[k], err = fn(t)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return us, nil
+}