{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"The Eric Normand Podcast","title":"What is an abstraction barrier?","html":"<iframe width=\"100%\" height=\"180\" frameborder=\"no\" scrolling=\"no\" seamless src=\"https://share.transistor.fm/e/fff71544\"></iframe>","width":"100%","height":180,"duration":1255,"description":"Structure and Interpretation of Computer Programs talked about abstraction barriers as a way to hide the intricacies of data structures made out of cons cells. Is this concept still useful in a world of literal hashmaps with string keys? I say, yes, but in a much more limited way than before. In this episode, we go into what abstraction barriers are, why (and why not) to use them, and the limits of their usefulness.","thumbnail_url":"https://img.transistorcdn.com/WbyB3L00271RX0nwX_O6wfvG-9-GVuhuQNa4JxI1IvI/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS9zaG93/LzQzMzgvMTU2ODQ4/NjQ0MC1hcnR3b3Jr/LmpwZw.webp","thumbnail_width":300,"thumbnail_height":300}