Is it safe to use 'unsafeDupablePerformIO' for decoding/encoding?
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enhancement
- Dominant language
- Haskell
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Description
In GitLab by @maerwald on Jul 17, 2022, 04:47
It is said that `unsafePerformIO` is single-threaded, but `unsafeDupablePerformIO` can break bracket-like functions. Yet, bytestring uses it with `unsafeWithForeignPtr`.
Similar discussion here https://github.com/haskell/unix/issues/157#issuecomment-1183965932
Use sites: https://gitlab.haskell.org/haskell/filepath/-/blob/c7d80e16e71bc1c85f4cd6158a96f2be6de64a1c/System/OsString/Common.hs#L113-124
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