Add support for TaintedString

json_serialization/reader.nim

@@ -382,6 +382,9 @@ proc readValue*[T](r: var JsonReader, value: var T)
     value = r.lexer.strVal
     r.lexer.next()
 
+  elif value is TaintedString:
+    value = TaintedString r.readValue(string)
+
   elif value is seq[char]:
     r.requireToken tkString
     value.setLen(r.lexer.strVal.len)

json_serialization/writer.nim

@@ -181,6 +181,9 @@ proc writeValue*(w: var JsonWriter, value: auto) =
 
     append '"'
 
+  elif value is TaintedString:
+    writeValue(w, string value)
+
   elif value is bool:
     append if value: "true" else: "false"