-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Yusaku Hashimoto wrote: | I was studying about what unsafeInterleaveIO is.I understood | unsafeInterleaveIO takes an IO action, and delays it. But I couldn't | find any reason why unsafeInterleaveIO is unsafe. I think it depends on what we want to take "unsafe" to mean. In my opinion, the word "unsafe" should really only be used in cases where using the function can case an otherwise well-typed program to not be well-typed. I'm pretty sure I haven't yet seen a case where this applies to unsafeInterleaveIO. The biggest problem with unsafeInterleaveIO is that it complicates the semantics of the IO monad. - - Jake -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkm+aH8ACgkQye5hVyvIUKkOygCghyHD90TdvCBR5V815fxmQbIy mKsAnjnAgtZ5jV1p1P2St5NB2li587lU =PzqF -----END PGP SIGNATURE-----