Re: [GHC] #9816: Add function for size-checked conversion of Integral types

#9816: Add function for size-checked conversion of Integral types -------------------------------------+------------------------------------- Reporter: spl | Owner: Type: feature | Status: patch request | Milestone: Priority: normal | Version: 7.9 Component: Core | Keywords: Libraries | Architecture: Unknown/Multiple Resolution: | Difficulty: Unknown Operating System: | Blocked By: Unknown/Multiple | Related Tickets: Type of failure: | None/Unknown | Test Case: | Blocking: | Differential Revisions: D512 | -------------------------------------+------------------------------------- Comment (by Herbert Valerio Riedel ): In [changeset:"02f8f6ad7bd3d792459a1d33e8d0d57dcf1ea424/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="02f8f6ad7bd3d792459a1d33e8d0d57dcf1ea424" Add function for size-checked conversion of Integral types The new function `Data.Bits.toIntegralSized` provides a similar functionality to `fromIntegral` but adds validation that the argument fits in the result type's size. The implementation of `toIntegralSized` has been derived from `intCastMaybe` (which is part of Herbert Valerio Riedel's `int-cast` package, see http://hackage.haskell.org/package/int-cast) Addresses #9816 Reviewed By: ekmett, austin Differential Revision: https://phabricator.haskell.org/D512 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9816#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler