{
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  "path": "/t/haskells-missing-mutable-reference-type/14248?page=3#post_51",
  "publishedAt": "2026-06-14T10:25:10.000Z",
  "site": "https://discourse.haskell.org",
  "textContent": "michaelpj:\n\n> > modifications to an `IOScopedRef` in one thread would not be observed by another thread\n>\n> Do you mean _any_ other thread, or would child threads see it?\n\nI mean any thread, not even child threads.\n\nmichaelpj:\n\n> I’m pretty sure that’s what you would want, otherwise your logging example gets very annoying as soon as you do any concurrency inside a modification block.\n\nI’m skeptical. Can you share an example?",
  "title": "Haskell's missing mutable reference type"
}