This tag is for questions concerning the function `unsafePerformIO` in Haskell and Scala, which lets you do arbitrary IO inside a pure expression.
To get acquainted with unsafePerformIO (how to use it and when to use it), I've implemented a module for generating …
haskell unsafe-perform-ioHaskell is generally referenced as an example of a purely functional language. How can this be justified given the existence …
haskell functional-programming type-systems referential-transparency unsafe-perform-io