{"type":"rich","version":1.0,"title":"Stackbox / &move-based downcasting","width":1958,"html":"<a href=\"https://asciinema.org/a/418142\" target=\"_blank\"><img alt=\"Stackbox / &amp;move-based downcasting\" src=\"https://asciinema.org/a/418142.png\" width=\"1958\"></a>","height":1240,"author_name":"yandros","author_url":"https://asciinema.org/~yandros","provider_name":"asciinema","provider_url":"https://asciinema.org/","thumbnail_height":1240,"thumbnail_url":"https://asciinema.org/a/418142.png","thumbnail_width":1958}