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| Name: ghc-random | Distribution: Fedora Project |
| Version: 1.2.1.1 | Vendor: Fedora Project |
| Release: 5.fc40 | Build date: Wed Jan 24 15:36:49 2024 |
| Group: Unspecified | Build host: buildvm-a64-27.iad2.fedoraproject.org |
| Size: 1014328 | Source RPM: ghc-random-1.2.1.1-5.fc40.src.rpm |
| Packager: Fedora Project | |
| Url: https://hackage.haskell.org/package/random | |
| Summary: Pseudo-random number generation | |
This package provides basic pseudo-random number generation, including the ability to split random number generators. == "System.Random": pure pseudo-random number interface In pure code, use 'System.Random.uniform' and 'System.Random.uniformR' from "System.Random" to generate pseudo-random numbers with a pure pseudo-random number generator like 'System.Random.StdGen'. As an example, here is how you can simulate rolls of a six-sided die using 'System.Random.uniformR': >>> let roll = uniformR (1, 6) :: RandomGen g => g -> (Word, g) >>> let rolls = unfoldr (Just . roll) :: RandomGen g => g -> [Word] >>> let pureGen = mkStdGen 42 >>> take 10 (rolls pureGen) :: [Word] [1,1,3,2,4,5,3,4,6,2] See "System.Random" for more details. == "System.Random.Stateful": monadic pseudo-random number interface In monadic code, use 'System.Random.Stateful.uniformM' and 'System.Random.Stateful.uniformRM' from "System.Random.Stateful" to generate pseudo-random numbers with a monadic pseudo-random number generator, or using a monadic adapter. As an example, here is how you can simulate rolls of a six-sided die using 'System.Random.Stateful.uniformRM': >>> let rollM = uniformRM (1, 6) :: StatefulGen g m => g -> m Word >>> let pureGen = mkStdGen 42 >>> runStateGen_ pureGen (replicateM 10 . rollM) :: [Word] [1,1,3,2,4,5,3,4,6,2] The monadic adapter 'System.Random.Stateful.runStateGen_' is used here to lift the pure pseudo-random number generator 'pureGen' into the 'System.Random.Stateful.StatefulGen' context. The monadic interface can also be used with existing monadic pseudo-random number generators. In this example, we use the one provided in the <https://hackage.haskell.org/package/mwc-random mwc-random> package: >>> import System.Random.MWC as MWC >>> let rollM = uniformRM (1, 6) :: StatefulGen g m => g -> m Word >>> monadicGen <- MWC.create >>> replicateM 10 (rollM monadicGen) :: IO [Word] [2,3,6,6,4,4,3,1,5,4] See "System.Random.Stateful" for more details.
BSD-3-Clause
* Wed Jan 24 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.1.1-5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild * Fri Jan 19 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.1.1-4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild * Sat Jul 29 2023 Jens Petersen <petersen@redhat.com> - 1.2.1.1-3 - rebuild * Wed Jul 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.1.1-2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild * Sun Jan 22 2023 Jens Petersen <petersen@redhat.com> - 1.2.1.1-5 - https://hackage.haskell.org/package/random-1.2.1.1/changelog - refresh to cabal-rpm-2.1.0 with SPDX migration * Thu Jul 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.0-4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild * Fri Jun 17 2022 Jens Petersen <petersen@redhat.com> - 1.2.0-3 - rebuild
/usr/lib/.build-id /usr/lib/.build-id/0b /usr/lib/.build-id/0b/e768c6059ac6691d213fd6490fbeea3bdaf4f6 /usr/lib64/ghc-9.4.5/lib/libHSrandom-1.2.1.1-I0wUgAAbf0g3qHR3e8uT0o-ghc9.4.5.so /usr/share/licenses/ghc-random /usr/share/licenses/ghc-random/LICENSE
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Fabrice Bellet, Thu May 2 00:32:48 2024