Revert "Avoid defining unsized platform Tasks"

This reverts commit d3732b4440.

crates/cli/tests/benchmarks/cFold.roc

@@ -5,9 +5,7 @@ import pf.PlatformTasks
 # adapted from https://github.com/koka-lang/koka/blob/master/test/bench/haskell/cfold.hs
 main : Task {} []
 main =
-    { value, isError } =
-        PlatformTasks.getInt
-            |> Task.mapErr! \_ -> crash "unreachable"
+    { value, isError } = PlatformTasks.getInt!
     inputResult =
         if isError then
             Err GetIntError
@@ -21,15 +19,13 @@ main =
             optimized = eval (constFolding (reassoc e))
 
             unoptimized
-                |> Num.toStr
-                |> Str.concat " & "
-                |> Str.concat (Num.toStr optimized)
-                |> PlatformTasks.putLine
-                |> Task.mapErr! \_ -> crash "unreachable"
+            |> Num.toStr
+            |> Str.concat " & "
+            |> Str.concat (Num.toStr optimized)
+            |> PlatformTasks.putLine
 
         Err GetIntError ->
             PlatformTasks.putLine "Error: Failed to get Integer from stdin."
-                |> Task.mapErr! \_ -> crash "unreachable"
 
 Expr : [
     Add Expr Expr,

crates/cli/tests/benchmarks/deriv.roc

@@ -7,9 +7,7 @@ IO a : Task a []
 
 main : Task {} []
 main =
-    { value, isError } =
-        PlatformTasks.getInt
-            |> Task.mapErr! \_ -> crash "unreachable"
+    { value, isError } = PlatformTasks.getInt!
     inputResult =
         if isError then
             Err GetIntError
@@ -29,7 +27,6 @@ main =
 
         Err GetIntError ->
             PlatformTasks.putLine "Error: Failed to get Integer from stdin."
-                |> Task.mapErr! \_ -> crash "unreachable"
 
 nestHelp : I64, (I64, Expr -> IO Expr), I64, Expr -> IO Expr
 nestHelp = \s, f, m, x ->
@@ -170,7 +167,5 @@ deriv = \i, f ->
         Num.toStr (i + 1)
         |> Str.concat " count: "
         |> Str.concat (Num.toStr (count fprime))
-    PlatformTasks.putLine line
-        |> Task.mapErr! \_ -> crash "unreachable"
-
+    PlatformTasks.putLine! line
     Task.ok fprime

crates/cli/tests/benchmarks/issue2279.roc

@@ -11,4 +11,3 @@ main =
             Issue2279Help.asText 42
 
     PlatformTasks.putLine text
-        |> Task.mapErr! \_ -> crash "unreachable"

crates/cli/tests/benchmarks/nQueens.roc

@@ -4,9 +4,7 @@ import pf.PlatformTasks
 
 main : Task {} []
 main =
-    { value, isError } =
-        PlatformTasks.getInt
-            |> Task.mapErr! \_ -> crash "unreachable"
+    { value, isError } = PlatformTasks.getInt!
     inputResult =
         if isError then
             Err GetIntError
@@ -16,13 +14,11 @@ main =
     when inputResult is
         Ok n ->
             queens n # original koka 13
-                |> Num.toStr
-                |> PlatformTasks.putLine
-                |> Task.mapErr! \_ -> crash "unreachable"
+            |> Num.toStr
+            |> PlatformTasks.putLine
 
         Err GetIntError ->
             PlatformTasks.putLine "Error: Failed to get Integer from stdin."
-                |> Task.mapErr! \_ -> crash "unreachable"
 
 ConsList a : [Nil, Cons a (ConsList a)]
 

crates/cli/tests/benchmarks/platform/PlatformTasks.roc

@@ -2,8 +2,8 @@ hosted PlatformTasks
     exposes [putLine, putInt, getInt]
     imports []
 
-putLine : Str -> Task {} {}
+putLine : Str -> Task {} *
 
-putInt : I64 -> Task {} {}
+putInt : I64 -> Task {} *
 
-getInt : Task { value : I64, isError : Bool } {}
+getInt : Task { value : I64, isError : Bool } *

crates/cli/tests/benchmarks/rBTreeCk.roc

@@ -39,9 +39,7 @@ fold = \f, tree, b ->
 
 main : Task {} []
 main =
-    { value, isError } =
-        PlatformTasks.getInt
-            |> Task.mapErr! \_ -> crash "unreachable"
+    { value, isError } = PlatformTasks.getInt!
     inputResult =
         if isError then
             Err GetIntError
@@ -59,17 +57,14 @@ main =
                     val = fold (\_, v, r -> if v then r + 1 else r) head 0
 
                     val
-                        |> Num.toStr
-                        |> PlatformTasks.putLine
-                        |> Task.mapErr! \_ -> crash "unreachable"
+                    |> Num.toStr
+                    |> PlatformTasks.putLine
 
                 Nil ->
                     PlatformTasks.putLine "fail"
-                        |> Task.mapErr! \_ -> crash "unreachable"
 
         Err GetIntError ->
             PlatformTasks.putLine "Error: Failed to get Integer from stdin."
-                |> Task.mapErr! \_ -> crash "unreachable"
 
 insert : Tree (Num k) v, Num k, v -> Tree (Num k) v
 insert = \t, k, v -> if isRed t then setBlack (ins t k v) else ins t k v

crates/cli/tests/benchmarks/rBTreeDel.roc

@@ -12,9 +12,7 @@ ConsList a : [Nil, Cons a (ConsList a)]
 
 main : Task {} []
 main =
-    { value, isError } =
-        PlatformTasks.getInt
-            |> Task.mapErr! \_ -> crash "unreachable"
+    { value, isError } = PlatformTasks.getInt!
     inputResult =
         if isError then
             Err GetIntError
@@ -27,13 +25,11 @@ main =
             val = fold (\_, v, r -> if v then r + 1 else r) m 0
 
             val
-                |> Num.toStr
-                |> PlatformTasks.putLine
-                |> Task.mapErr! \_ -> crash "unreachable"
+            |> Num.toStr
+            |> PlatformTasks.putLine
 
         Err GetIntError ->
             PlatformTasks.putLine "Error: Failed to get Integer from stdin."
-                |> Task.mapErr! \_ -> crash "unreachable"
 
 boom : Str -> a
 boom = \_ -> boom ""

crates/cli/tests/benchmarks/rBTreeInsert.roc

@@ -8,9 +8,8 @@ main =
     tree = insert 0 {} Empty
 
     tree
-        |> show
-        |> PlatformTasks.putLine
-        |> Task.mapErr! \_ -> crash "unreachable"
+    |> show
+    |> PlatformTasks.putLine
 
 show : RedBlackTree I64 {} -> Str
 show = \tree -> showRBTree tree Num.toStr (\{} -> "{}")

crates/cli/tests/benchmarks/testAStar.roc

@@ -5,8 +5,7 @@ import AStar
 
 main : Task {} []
 main =
-    PlatformTasks.putLine (showBool test1)
-        |> Task.mapErr! \_ -> crash "unreachable"
+    PlatformTasks.putLine! (showBool test1)
 
 showBool : Bool -> Str
 showBool = \b ->

crates/cli/tests/benchmarks/testBase64.roc

@@ -8,19 +8,10 @@ IO a : Task a []
 main : IO {}
 main =
     when Base64.fromBytes (Str.toUtf8 "Hello World") is
-        Err _ ->
-            PlatformTasks.putLine "sadness"
-                |> Task.mapErr! \_ -> crash "unreachable"
-
+        Err _ -> PlatformTasks.putLine "sadness"
         Ok encoded ->
-            PlatformTasks.putLine (Str.concat "encoded: " encoded)
-                |> Task.mapErr! \_ -> crash "unreachable"
+            PlatformTasks.putLine! (Str.concat "encoded: " encoded)
 
             when Base64.toStr encoded is
-                Ok decoded ->
-                    PlatformTasks.putLine (Str.concat "decoded: " decoded)
-                        |> Task.mapErr! \_ -> crash "unreachable"
-
-                Err _ ->
-                    PlatformTasks.putLine "sadness"
-                        |> Task.mapErr! \_ -> crash "unreachable"
+                Ok decoded -> PlatformTasks.putLine (Str.concat "decoded: " decoded)
+                Err _ -> PlatformTasks.putLine "sadness"

examples/cli/effects-platform/PlatformTasks.roc

@@ -2,6 +2,6 @@ hosted PlatformTasks
     exposes [putLine, getLine]
     imports []
 
-putLine : Str -> Task {} {}
+putLine : Str -> Task {} *
 
-getLine : Task Str {}
+getLine : Task Str *

examples/cli/effects.roc

@@ -4,12 +4,8 @@ import pf.PlatformTasks
 
 main : Task {} []
 main =
-    line =
-        PlatformTasks.getLine
-            |> Task.mapErr! \_ -> crash "unreachable"
-    PlatformTasks.putLine "You entered: $(line)"
-        |> Task.mapErr! \_ -> crash "unreachable"
-    PlatformTasks.putLine "It is known"
-        |> Task.mapErr! \_ -> crash "unreachable"
+    line = PlatformTasks.getLine!
+    PlatformTasks.putLine! "You entered: $(line)"
+    PlatformTasks.putLine! "It is known"
 
     Task.ok {}

examples/cli/false-interpreter/platform/File.roc

@@ -5,25 +5,18 @@ import pf.PlatformTasks
 Handle := U64
 
 line : Handle -> Task Str *
-line = \@Handle handle ->
-    PlatformTasks.getFileLine handle
-    |> Task.mapErr \_ -> crash "unreachable"
+line = \@Handle handle -> PlatformTasks.getFileLine handle
 
 chunk : Handle -> Task (List U8) *
-chunk = \@Handle handle ->
-    PlatformTasks.getFileBytes handle
-    |> Task.mapErr \_ -> crash "unreachable"
+chunk = \@Handle handle -> PlatformTasks.getFileBytes handle
 
 open : Str -> Task Handle *
 open = \path ->
     PlatformTasks.openFile path
     |> Task.map @Handle
-    |> Task.mapErr \_ -> crash "unreachable"
 
 close : Handle -> Task.Task {} *
-close = \@Handle handle ->
-    PlatformTasks.closeFile handle
-    |> Task.mapErr \_ -> crash "unreachable"
+close = \@Handle handle -> PlatformTasks.closeFile handle
 
 withOpen : Str, (Handle -> Task {} a) -> Task {} a
 withOpen = \path, callback ->

examples/cli/false-interpreter/platform/PlatformTasks.roc

@@ -2,20 +2,20 @@ hosted PlatformTasks
     exposes [openFile, closeFile, withFileOpen, getFileLine, getFileBytes, putLine, putRaw, getLine, getChar]
     imports []
 
-openFile : Str -> Task U64 {}
+openFile : Str -> Task U64 *
 
-closeFile : U64 -> Task {} {}
+closeFile : U64 -> Task {} *
 
-withFileOpen : Str, (U64 -> Task ok err) -> Task {} {}
+withFileOpen : Str, (U64 -> Task ok err) -> Task {} *
 
-getFileLine : U64 -> Task Str {}
+getFileLine : U64 -> Task Str *
 
-getFileBytes : U64 -> Task (List U8) {}
+getFileBytes : U64 -> Task (List U8) *
 
-putLine : Str -> Task {} {}
+putLine : Str -> Task {} *
 
-putRaw : Str -> Task {} {}
+putRaw : Str -> Task {} *
 
-getLine : Task Str {}
+getLine : Task Str *
 
-getChar : Task U8 {}
+getChar : Task U8 *

examples/cli/false-interpreter/platform/Stdin.roc

@@ -5,12 +5,8 @@ module [
 
 import pf.PlatformTasks
 
-line : {} -> Task Str *
-line = \{} ->
-    PlatformTasks.getLine
-    |> Task.mapErr \_ -> crash "unreachable"
+line : Task Str *
+line = PlatformTasks.getLine
 
-char : {} -> Task U8 *
-char = \{} ->
-    PlatformTasks.getChar
-    |> Task.mapErr \_ -> crash "unreachable"
+char : Task U8 *
+char = PlatformTasks.getChar

examples/cli/false-interpreter/platform/Stdout.roc

@@ -3,11 +3,7 @@ module [line, raw]
 import pf.PlatformTasks
 
 line : Str -> Task {} *
-line = \text ->
-    PlatformTasks.putLine text
-    |> Task.mapErr \_ -> crash "unreachable"
+line = PlatformTasks.putLine
 
 raw : Str -> Task {} *
-raw = \text ->
-    PlatformTasks.putRaw text
-    |> Task.mapErr \_ -> crash "unreachable"
+raw = PlatformTasks.putRaw

sort.roc

@@ -0,0 +1,53 @@
+app [main] { cli: platform "https://github.com/roc-lang/basic-cli/releases/download/0.13.0/nW9yMRtZuCYf1Oa9vbE5XoirMwzLbtoSgv7NGhUlqYA.tar.br" }
+
+import cli.Stdout
+import cli.Task
+import cli.Arg
+import cli.File
+import cli.Utc
+import cli.Task exposing [Task]
+
+dataPath : U64 -> Str
+dataPath = \day ->
+    "data/day$(if day < 10 then "0" else "")$(Num.toStr day).txt"
+
+loadData : U64 -> Task Str _
+loadData = \day ->
+    day
+    |> dataPath
+    |> File.readUtf8
+    |> Task.mapErr UnableToReadFile
+
+solutions : List (Str -> Str, Str -> Str)
+solutions = [
+    (\i -> i,\i -> i),
+]
+
+runSolution : (Str -> Str), U64, Str -> Task {} []_
+runSolution = \solution, index, input ->
+    Stdout.line! "Part $(Num.toStr index):"
+    startTime = Utc.now!
+    result = solution input
+    endTime = Utc.now!
+    delta = Utc.deltaAsMillis startTime endTime |> Num.toStr
+    Stdout.line! "$(result) ($(delta)ms)"
+
+checkDay : U64 -> Task {} [InvalidDay Str]_
+checkDay = \day ->
+    if day < 1 || day > 25 then Task.err (InvalidDay "Must be between 1 and 25") else Task.ok {}
+
+runDay : Str -> Task {} []_
+runDay = \dayArg ->
+    day = Str.toU64 dayArg |> Task.fromResult!
+    checkDay! day
+    Stdout.line! "Day $(Num.toStr day)"
+    input = loadData! day
+    (part1, part2) = List.get solutions (day - 1) |> Task.fromResult!
+    runSolution! part1 1 input
+    runSolution! part2 2 input
+
+main =
+    args = Arg.list! {}
+    daysStr = if List.len args < 2 then List.range { start: At 1, end: At 25 } |> List.map Num.toStr else args |> List.dropFirst 1
+    _ = daysStr |> List.map runDay |> List.reverse |> Task.sequence!
+    Task.ok {}