Исправлена ошибка в печати RecordDecoder в prettyPrint

decoder/index.ts

@@ -594,7 +594,7 @@ export function prettyPrint(decoder: Decoder<any>): string {
   if (decoder instanceof Custom) return `t.decoder(${JSON.stringify(decoder._name)}, <func>)`;
   if (decoder instanceof Custom) return `t.decoder(${JSON.stringify(decoder._name)}, <func>)`;
   if (decoder instanceof ArrayDecoder) return `t.array(${decoder._decoder.prettyPrint()})`;
   if (decoder instanceof ArrayDecoder) return `t.array(${decoder._decoder.prettyPrint()})`;
   if (decoder instanceof Dict) return `t.dict(${decoder._decoder.prettyPrint()})`;
   if (decoder instanceof Dict) return `t.dict(${decoder._decoder.prettyPrint()})`;
-  if (decoder instanceof RecordDecoder) return `t.record({ ${Object.keys(decoder._description).map(k => decoder._description[k].prettyPrint()).join(', ')} })`;
+  if (decoder instanceof RecordDecoder) return `t.record({ ${Object.keys(decoder._description).map(k => JSON.stringify(k) + ': ' + decoder._description[k].prettyPrint()).join(', ')} })`;
   if (decoder instanceof AtDecoder) return `t.at(${JSON.stringify(decoder._path)}, ${decoder._decoder.prettyPrint()})`;
   if (decoder instanceof AtDecoder) return `t.at(${JSON.stringify(decoder._path)}, ${decoder._decoder.prettyPrint()})`;
   if (decoder instanceof Primitive) return `t.${decoder._type}`;
   if (decoder instanceof Primitive) return `t.${decoder._type}`;
   if (decoder instanceof Pure) return `t.of(${JSON.stringify(decoder._value)})`;
   if (decoder instanceof Pure) return `t.of(${JSON.stringify(decoder._value)})`;