{
"$type": "site.standard.document",
"bskyPostRef": {
"cid": "bafyreihrdkxlolkvrsksrrbyi3rsglvxdrqapwft3ftstfamqw5l4kl7f4",
"uri": "at://did:plc:pi6woz4d47bkuws673w2il2r/app.bsky.feed.post/3mjgvjzz3lte2"
},
"path": "/t/type-level-programming-dealing-with-ambiguous-type-error/13828#post_11",
"publishedAt": "2026-04-14T07:19:46.000Z",
"site": "https://discourse.haskell.org",
"textContent": "Right, `RequiredTypeArguments` _doesnt_ allow you to do that. It’s just syntax. What _will_ allow you to do that is `forall ->`. I’ve no idea how long through the development pipeline that is. And in the meantime, the library feature that supports this functionality is singletons (whether with the `singletons` package specifically, or with the general notion).",
"title": "Type level programming: Dealing with ambiguous type error"
}