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Diffstat (limited to 'source/lux/data/state.lux')
-rw-r--r-- | source/lux/data/state.lux | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/source/lux/data/state.lux b/source/lux/data/state.lux deleted file mode 100644 index bc9858a29..000000000 --- a/source/lux/data/state.lux +++ /dev/null @@ -1,35 +0,0 @@ -## Copyright (c) Eduardo Julian. All rights reserved. -## The use and distribution terms for this software are covered by the -## Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) -## which can be found in the file epl-v10.html at the root of this distribution. -## By using this software in any fashion, you are agreeing to be bound by -## the terms of this license. -## You must not remove this notice, or any other, from this software. - -(;import lux - (lux/control (functor #as F #refer #all) - (monad #as M #refer #all))) - -## [Types] -(deftype #export (State s a) - (-> s (, s a))) - -## [Structures] -(defstruct #export State/Functor (Functor State) - (def (F;map f ma) - (lambda [state] - (let [[state' a] (ma state)] - [state' (f a)])))) - -(defstruct #export State/Monad (All [s] - (Monad (State s))) - (def M;_functor State/Functor) - - (def (M;wrap x) - (lambda [state] - [state x])) - - (def (M;join mma) - (lambda [state] - (let [[state' ma] (mma state)] - (ma state'))))) |