{- Copyright (C) 2013 Dr. Alistair Ward This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. -} {- | [@AUTHOR@] Dr. Alistair Ward [@DESCRIPTION@] * Additions to module "Data.Array.IArray". -} module ToolShed.Data.Array.IArray( -- * Functions adjust ) where import qualified Data.Array.IArray import Data.Array.IArray((!), (//)) -- | Update a single element of the specified array. adjust :: ( Data.Array.IArray.Ix i, Data.Array.IArray.IArray a e ) => (e -> e) -- ^ Mutator. -> i -- ^ Index. -> a i e -> a i e adjust mutator i array = array // [ ( i, mutator $ array ! i ) -- Pair. ]