{
"$type": "site.standard.document",
"bskyPostRef": {
"cid": "bafyreidh4qkswji3acgrkucm5zgg627tlpcs4enghbmwap6c54zeyhlf4y",
"uri": "at://did:plc:pi6woz4d47bkuws673w2il2r/app.bsky.feed.post/3mll4iucw5om2"
},
"path": "/t/how-to-parse-specific-syntax-elements-and-discard-the-rest/14047#post_7",
"publishedAt": "2026-05-11T09:10:40.000Z",
"site": "https://discourse.haskell.org",
"tags": [
"syb"
],
"textContent": "leana8959:\n\n> What is Syb?\n\nsyb is generic library that allows to traverse structures with Data instances ie function is applied to any Data field and the value can downcasted safely, though I just realized that types returned by the nix parser hardly could have Data instances.",
"title": "How to parse specific syntax elements and discard the rest?"
}