--- /dev/null
+module expr
+
+import StdEnv
+
+import Control.Applicative
+import Control.Monad
+import Data.Error
+import Data.Func
+import Data.Functor
+import Text.Parsers.Simple.Core
+import Text.Parsers.Simple.Chars
+
+class expr e where
+ lit :: a -> e a | toString a
+ (+.) infixl 6 :: (e a) (e a) -> e a | + a
+class div e where
+ (/.) infixl 7 :: (e a) (e a) -> e a | /, ==, zero a
+class eq e where
+ (==.) infix 4 :: (e a) (e a) -> e Bool | == a
+
+:: Print a = P String
+runPrint :: (Print a) -> String
+runPrint (P a) = a
+instance expr Print where
+ lit a = P (toString a)
+ (+.) (P a) (P b) = P (a +++ "+" +++ b)
+instance div Print where
+ (/.) (P a) (P b) = P (a +++ "/" +++ b)
+instance eq Print where
+ (==.) (P a) (P b) = P (a +++ "==" +++ b)
+
+:: Eval a = E a
+runEval :: (Eval a) -> a
+runEval (E a) = a
+instance expr Eval where
+ lit a = E a
+ (+.) (E a) (E b) = E (a + b)
+instance div Eval where
+ (/.) (E a) (E b)
+ | b == zero = E zero
+ = E (a / b)
+instance eq Eval where
+ (==.) (E a) (E b) = E (a == b)
+
+:: EvalM a :== MaybeError String a
+runEvalM :: (EvalM a) -> MaybeError String a
+runEvalM a = a
+instance expr (MaybeError String) where
+ lit a = pure a
+ (+.) l r = (+) <$> l <*> r
+instance div (MaybeError String) where
+ (/.) l r = (/) <$> l <*> (r >>= \v->if (v == zero) (Error "div0") (pure v))
+instance eq (MaybeError String) where
+ (==.) l r = (==) <$> l <*> r
+
+pToken c = pSatisfy ((==)c)
+class parseExpr a :: Parser Char a
+instance parseExpr a:: parseExpr
+parseExpr :: Parser Char (v a) | expr, div v & parsable, ==, +, /, zero, toString a
+parseExpr = foldr ($) parseBasic
+ [ flip pChainl1 (pToken '+' $> (+.))
+ , flip pChainl1 (pToken '/' $> (/.))
+ ]
+where
+ parseBasic = lit <$> parsable
+
+class parsable a :: Parser Char a
+instance parsable Int where parsable = foldl (\a b->10*a+digitToInt b) 0 <$> some pDigit
+
+Start :: Either [Error] (Print Int)
+Start = parse parseExpr ['42+42']
+/*Start = (runPrint e, runEval e, runEvalM e, parse )
+where
+ e :: v Bool | expr, div, eq v
+ e = lit 39 +. lit 3 /. lit 0 ==. lit 4
+*/
module test
+//import StdEnv
+//import Data.Error
+//import Data.Maybe
+//import Network.IP
+//import System.Socket
+//import System.Socket.Ipv4
+////import System.Select
+//
+import Data.Map => qualified get, updateAt
+import Data.Map.GenJSON
+import Data.Func
import iTasks
-import iTasks.Extensions.DateTime
-Start w = doTasks (onStartup t) w
+Start w = doTasks t2 w
-t :: Task Int
-t = throw "bork"
+t2 = enterInformation "bork" []
+ >>* [OnAction ActionOk $ ifValue ((==)42) return]
+
+t = parallel
+ [(Embedded,
+ \stl->appendTask Embedded (\_->viewInformation "int" [] 42 <<@ markActive <<@ markActive) stl
+ >>= \tid->viewInformation "go" [] "go" @! 42
+// >>* [OnAction ActionOk $ always $ set
+// ([(tid, put "answer" "42" (singleton "bork" "bork"))])
+// (sdsFocus {onlyIndex=Nothing,onlyTaskId=Just [tid],onlySelf=False,includeValue=True,includeAttributes=True,includeProgress=True} stl)]
+// >>= \_->viewSharedInformation "parallel task list" []
+// (sdsFocus {onlyIndex=Nothing,onlyTaskId=Nothing,onlySelf=False,includeValue=True,includeProgress=True,includeAttributes=True} stl)
+// @! 42
+// ),(Embedded, \stl->viewSharedInformation "parallel task list" []
+// (sdsFocus {onlyIndex=Nothing,onlyTaskId=Nothing,onlySelf=False,includeValue=True,includeProgress=True,includeAttributes=True} stl)
+// @! 42
+ )] []
+// [OnAction (Action "bork") $ ifValue (\v->not (v =: []))
+// \_->(Embedded, \stl->
+// get (sdsFocus defaultValue stl) >>= \(_, [_,{TaskListItem|taskId}:_])->
+// set (singleton "title" "true")
+// (sdsFocus taskId (taskListEntryMeta stl)) @! ())
+// set [(taskId, singleton "title" "true")]
+// (sdsFocus listFilter stl) @! ())]
+ <<@ ArrangeWithTabs True
+where
+ markActive = ApplyAttribute "class" "focus"
+
+
+//import StdGeneric
+//
+//generic g a :: a
+//
+//g{|*|} = 42
+
+//Start :: *World -> (MaybeOSError String, *World)
+//Start w
+// = case socket SocketStream w of
+// (Error e, w) = (Error e, w)
+// (Ok sockfd, w)
+// #! (merr, sockfd) = connect {ipv4_socket_port=8124,ipv4_socket_addr=Just (fromString "127.0.0.1")} sockfd
+// | isError merr = (liftError merr, w)
+// #! (merr, sockfd) = recv 128 [] sockfd
+// | isError merr = (merr, w)
+// # (Ok msg) = merr
+// # (merr, w) = close sockfd w
+// | isError merr = (liftError merr, w)
+// = (Ok msg, w)