fix bug

maps/sorted_map_test.go

@@ -0,0 +1,24 @@
+package maps
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestSortMapConvert(t *testing.T) {
+	var m = NewSortedMap(map[string]any{"aaa": "bbb"}).Asc()
+
+	var c Map[string, any] = m
+
+	t.Log(Join(c, " ", func(k string, v any) string {
+		return fmt.Sprintf("%s=%v", k, v)
+	}))
+}
+
+func TestSortedJoin(t *testing.T) {
+	var m = NewSortedMap(map[string]any{"b": "b", "a": "a", "d": "d", "c": "c"}).Asc()
+
+	t.Log(Join[string, any](m, "&", func(k string, v any) string {
+		return fmt.Sprintf("%s=%v", k, v)
+	}))
+}