-- GeNeRaTeD fOr: ../../CBS/Funcons/Computations/Control flow/Normal/Iterating/Definite/Mapping collections/list-map.aterm
{-# LANGUAGE OverloadedStrings #-}

module Funcons.Core.Computations.ControlFlow.Normal.Iterating.Definite.MappingCollections.ListMap where

import Funcons.EDSL

entities = []

types = typeEnvFromList
    []

funcons = libFromList
    [("list-map",PartiallyStrictFuncon [NonStrict,Strict] stepList_map)]

-- |
-- /list-map(F,L)/ maps the computation /F/ over the list /L/ ,
--   from left to right, evaluating /F/ for each given value in /L/ .
list_map_ fargs = FApp "list-map" (FTuple fargs)
stepList_map fargs@[arg1,arg2] =
    evalRules [rewrite1,rewrite2] []
    where rewrite1 = do
            let env = emptyEnv
            env <- fsMatch fargs [PMetaVar "F",PValue (PList [])] env
            rewriteTo (FList [])
          rewrite2 = do
            let env = emptyEnv
            env <- fsMatch fargs [PMetaVar "F",PValue (PList [VPMetaVar "V",VPSeqVar "V*" StarOp])] env
            rewriteTermTo (TApp "cons" (TTuple [TApp "left-to-right" (TTuple [TApp "give" (TTuple [TVar "V",TVar "F"]),TApp "list-map" (TTuple [TVar "F",TList [TVar "V*"]])])])) env
stepList_map fargs = sortErr (FApp "list-map" (FTuple fargs)) "invalid number of arguments"