Port trivial.nix

Any/isFunction.dhall

@@ -0,0 +1,38 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any = ../Any/Type.dhall
+
+  let Optional/fold =
+        https://prelude.dhall-lang.org/Optional/fold.dhall
+          sha256:c5b9d72f6f62bdaa0e196ac1c742cc175cd67a717b880fb8aec1333a5a4132cf
+
+  let Any/toAny = ../Any/toAny.dhall nix
+
+  let Any/toTypeUnchecked = ../Any/toTypeUnchecked.dhall nix
+
+  let Any/selectOptional = ../Any/selectOptional.dhall nix
+
+  let FunctionType = λ(x : Type) → x → Any → Bool
+
+  let function =
+        λ(function : FunctionType Any) →
+          let functionArgs =
+                Any/toTypeUnchecked
+                  (FunctionType (FunctionType Any))
+                  (Any/toAny (FunctionType Any) function)
+                  function
+
+          in  λ(v : Any) →
+                    nix.builtins.isFunction v
+                ||  Optional/fold
+                      Any
+                      (Any/selectOptional v "__functor")
+                      Bool
+                      (λ(v : Any) → functionArgs v)
+                      False
+
+  let functionErased =
+        Any/toTypeUnchecked
+          (FunctionType Any)
+          (Any/toAny (FunctionType (FunctionType Any)) function)
+
+  in  function functionErased

Any/package.dhall

@@ -7,6 +7,7 @@
   , apply = ./apply.dhall nix
   , negate = ./negate.dhall nix
   , hasAttr = ./hasAttr.dhall nix
+  , isFunction = ./isFunction.dhall nix
   , listConcat = ./listConcat.dhall nix
   , multiply = ./multiply.dhall nix
   , divide = ./divide.dhall nix
@@ -24,4 +25,5 @@
   , land = ./land.dhall nix
   , lor = ./lor.dhall nix
   , impl = ./impl.dhall nix
+  , toFunction = ./toFunction.dhall nix
   }

Any/toFunction.dhall

@@ -0,0 +1,17 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any = ./Type.dhall
+
+  let Function/const = ../Function/const.dhall
+
+  let isFunction = ./isFunction.dhall nix
+
+  let toTypeUnchecked = ./toTypeUnchecked.dhall nix
+
+  let toFunction
+      : Any → Any → Any
+      = λ(v : Any) →
+          if    isFunction v
+          then  toTypeUnchecked (Any → Any) v
+          else  Function/const Any v Any
+
+  in  toFunction

Double/compare.dhall

@@ -0,0 +1,12 @@
+λ(nix : ../NixPrelude.dhall) →
+  let lessThan = ./lessThan.dhall nix
+
+  let greaterThan = ./greaterThan.dhall nix
+
+  let compare
+      : Double → Double → Integer
+      = λ(a : Double) →
+        λ(b : Double) →
+          if lessThan a b then -1 else if greaterThan a b then +1 else +0
+
+  in  compare

Double/package.dhall

@@ -4,6 +4,7 @@
   , add = ./add.dhall nix
   , build = ./build.dhall nix
   , clamp = ./clamp.dhall nix
+  , compare = ./compare.dhall nix
   , divide = ./divide.dhall nix
   , equal = ./equal.dhall nix
   , fromAny = ./fromAny.dhall nix

Function/const.dhall

@@ -0,0 +1,7 @@
+let const
+    : ∀(A : Type) → A → ∀(B : Type) → B → A
+    = λ(A : Type) → λ(a : A) → λ(B : Type) → λ(_ : B) → a
+
+let example1 = assert : const Natural 5 Natural 10 ≡ 5
+
+in  const

Function/deepSeq.dhall

@@ -0,0 +1,7 @@
+λ(nix: ../NixPrelude.dhall) →
+  let Any/toAny = ../Any/toAny.dhall nix
+  let Any/toTypeUnchecked = ../Any/toTypeUnchecked.dhall nix
+  let seq : ∀(A: Type) → ∀(B: Type) → A → B → B
+          = λ(A: Type) → λ(B: Type) → λ(a: A) → λ(b: B) → Any/toTypeUnchecked B (nix.builtins.deepSeq (Any/toAny A a) (Any/toAny B b))
+  in seq
+

Function/flip.dhall

@@ -0,0 +1,15 @@
+let flip
+    : ∀(A : Type) → ∀(B : Type) → ∀(C : Type) → (B → A → C) → A → B → C
+    = λ(A : Type) →
+      λ(B : Type) →
+      λ(C : Type) →
+      λ(f : B → A → C) →
+      λ(a : A) →
+      λ(b : B) →
+        f b a
+
+let example1 =
+        assert
+      : flip Text Text Text (λ(a : Text) → λ(b : Text) → a ++ b) "a" "b" ≡ "ba"
+
+in  flip

Function/functionArgs.dhall

@@ -0,0 +1,55 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any = ../Any/Type.dhall
+
+  let Set = ../Set/Type.dhall
+
+  let Optional/fold =
+        https://prelude.dhall-lang.org/Optional/fold.dhall
+          sha256:c5b9d72f6f62bdaa0e196ac1c742cc175cd67a717b880fb8aec1333a5a4132cf
+
+  let Any/toAny = ../Any/toAny.dhall nix
+
+  let Any/hasAttr = ../Any/hasAttr.dhall nix
+
+  let Any/select = ../Any/select.dhall nix
+
+  let Any/selectOptional = ../Any/selectOptional.dhall nix
+
+  let Any/toTypeUnchecked = ../Any/toTypeUnchecked.dhall nix
+
+  let FunctionType = λ(x : Type) → x → ∀(a : Type) → ∀(b : Type) → (a → b) → Set
+
+  let function =
+        λ(function : FunctionType Any) →
+          let functionArgs =
+                Any/toTypeUnchecked
+                  (FunctionType (FunctionType Any))
+                  (Any/toAny (FunctionType Any) function)
+                  function
+
+          in  λ(a : Type) →
+              λ(b : Type) →
+              λ(f : a → b) →
+                let fAny = Any/toAny (a → b) f
+
+                let functor =
+                      Any/toTypeUnchecked (a → b) (Any/select fAny "__functor")
+
+                let functorArg =
+                      Optional/fold
+                        Any
+                        (Any/selectOptional fAny "__functionArgs")
+                        Set
+                        (Any/toTypeUnchecked Set)
+                        (functionArgs a b functor)
+
+                in  if    Any/hasAttr fAny "__functor"
+                    then  functorArg
+                    else  nix.builtins.functionArgs (Any/toAny (a → b) f)
+
+  let functionErased =
+        Any/toTypeUnchecked
+          (FunctionType Any)
+          (Any/toAny (FunctionType (FunctionType Any)) function)
+
+  in  function functionErased

Function/package.dhall

@@ -0,0 +1,10 @@
+λ(nix : ../NixPrelude.dhall) →
+  { const = ./const.dhall
+  , deepSeq = ./seq.dhall nix
+  , flip = ./flip.dhall
+  , functionArgs = ./functionArgs.dhall nix
+  , pipe = ./pipe.dhall
+  , setFunctionArgs = ./setFunctionArgs.dhall nix
+  , seq = ./seq.dhall nix
+  , splitAndCompare = ./splitAndCompare.dhall
+  }

Function/pipe.dhall

@@ -0,0 +1,16 @@
+let List/foldLeft =
+      https://prelude.dhall-lang.org/List/foldLeft.dhall
+        sha256:3c6ab57950fe644906b7bbdef0b9523440b6ee17773ebb8cbd41ffacb8bfab61
+
+let pipe
+    : ∀(a : Type) → a → List (a → a) → a
+    = λ(a : Type) →
+      λ(v : a) →
+      λ(fns : List (a → a)) →
+        List/foldLeft (a → a) fns a (λ(v : a) → λ(f : a → a) → f v) v
+
+let example =
+        assert
+      : pipe Natural 2 [ λ(x : Natural) → x + 2, λ(x : Natural) → x * 2 ] ≡ 8
+
+in  pipe

Function/seq.dhall

@@ -0,0 +1,16 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any/toAny = ../Any/toAny.dhall nix
+
+  let Any/toTypeUnchecked = ../Any/toTypeUnchecked.dhall nix
+
+  let seq
+      : ∀(A : Type) → ∀(B : Type) → A → B → B
+      = λ(A : Type) →
+        λ(B : Type) →
+        λ(a : A) →
+        λ(b : B) →
+          Any/toTypeUnchecked
+            B
+            (nix.builtins.seq (Any/toAny A a) (Any/toAny B b))
+
+  in  seq

Function/setFunctionArgs.dhall

@@ -0,0 +1,31 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any = ../Any/Type.dhall
+
+  let Map =
+        https://prelude.dhall-lang.org/Map/Type.dhall
+          sha256:210c7a9eba71efbb0f7a66b3dcf8b9d3976ffc2bc0e907aadfb6aa29c333e8ed
+
+  let Set = ../Set/Type.dhall
+
+  let Any/toAny = ../Any/toAny.dhall nix
+
+  let Any/toTypeUnchecked = ../Any/toTypeUnchecked.dhall nix
+
+  let Set/toSet = ../Set/toSet.dhall nix
+
+  let setFunctionArgs
+      : ∀(A : Type) → ∀(B : Type) → (A → B) → Map Text Bool → A → B
+      = λ(A : Type) →
+        λ(B : Type) →
+        λ(f : A → B) →
+        λ(args : Map Text Bool) →
+          Any/toTypeUnchecked
+            (A → B)
+            ( Any/toAny
+                { __functor : Any → A → B, __functionArgs : Set }
+                { __functor = λ(_ : Any) → f
+                , __functionArgs = Set/toSet Bool args
+                }
+            )
+
+  in  setFunctionArgs

Function/splitAndCompare.dhall

@@ -0,0 +1,17 @@
+let splitAndCompare
+    : ∀(a : Type) →
+      (a → Bool) →
+      (a → a → Integer) →
+      (a → a → Integer) →
+      a →
+      a →
+        Integer
+    = λ(t : Type) →
+      λ(p : t → Bool) →
+      λ(yes : t → t → Integer) →
+      λ(no : t → t → Integer) →
+      λ(a : t) →
+      λ(b : t) →
+        if p a then if p b then yes a b else -1 else if p b then +1 else no a b
+
+in  splitAndCompare

Integer/compare.dhall

@@ -0,0 +1,15 @@
+let lessThan =
+      https://prelude.dhall-lang.org/Integer/lessThan.dhall
+        sha256:eeaa0081d10c6c97464ef193c40f1aa5cbb12f0202972ab42f3d310c2fd6a3f0
+
+let greaterThan =
+      https://prelude.dhall-lang.org/Integer/greaterThan.dhall
+        sha256:d23affd73029fc9aaf867c2c7b86510ca2802d3f0d1f3e1d1a93ffd87b7cb64b
+
+let compare
+    : Integer → Integer → Integer
+    = λ(a : Integer) →
+      λ(b : Integer) →
+        if lessThan a b then -1 else if greaterThan a b then +1 else +0
+
+in  compare

Integer/package.dhall

@@ -1,6 +1,7 @@
 λ(nix : ../NixPrelude.dhall) →
   { Type = Integer
   , build = ./build.dhall
+  , compare = ./compare.dhall
   , divide = ./divide.dhall nix
   , fold = ./fold.dhall
   , fromAny = ./fromAny.dhall nix

List/filterMap.dhall

@@ -1,17 +1,16 @@
-λ(nix : ../NixPrelude.dhall) →
+let List/concatMap =
-  let List/concatMap =
+      https://prelude.dhall-lang.org/List/concatMap.dhall
-        https://prelude.dhall-lang.org/List/concatMap.dhall
+        sha256:3b2167061d11fda1e4f6de0522cbe83e0d5ac4ef5ddf6bb0b2064470c5d3fb64
-          sha256:3b2167061d11fda1e4f6de0522cbe83e0d5ac4ef5ddf6bb0b2064470c5d3fb64
 
-  let Optional/toList =
+let Optional/toList =
-        https://prelude.dhall-lang.org/Optional/toList.dhall
+      https://prelude.dhall-lang.org/Optional/toList.dhall
-          sha256:d78f160c619119ef12389e48a629ce293d69f7624c8d016b7a4767ab400344c4
+        sha256:d78f160c619119ef12389e48a629ce293d69f7624c8d016b7a4767ab400344c4
 
-  let filterMap
+let filterMap
-      : ∀(a : Type) → ∀(b : Type) → (a → Optional b) → List a → List b
+    : ∀(a : Type) → ∀(b : Type) → (a → Optional b) → List a → List b
-      = λ(a : Type) →
+    = λ(a : Type) →
-        λ(b : Type) →
+      λ(b : Type) →
-        λ(f : a → Optional b) →
+      λ(f : a → Optional b) →
-          List/concatMap a b (λ(x : a) → Optional/toList b (f x))
+        List/concatMap a b (λ(x : a) → Optional/toList b (f x))
 
-  in  filterMap
+in  filterMap

List/package.dhall

@@ -1 +1,4 @@
-λ(nix : ../NixPrelude.dhall) → { filterMap = ./filterMap.dhall }
+λ(nix : ../NixPrelude.dhall) →
+  { -- TODO: checkListOfEnum
+    filterMap = ./filterMap.dhall
+  }

Misc/info.dhall

@@ -0,0 +1,18 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any/toAny = ../Any/toAny.dhall nix
+
+  let Any/toTypeUnchecked = ../Any/toTypeUnchecked.dhall nix
+
+  let info
+      : Text → ∀(a : Type) → a → a
+      = λ(text : Text) →
+        λ(a : Type) →
+        λ(v : a) →
+          Any/toTypeUnchecked
+            a
+            ( nix.builtins.trace
+                (Any/toAny Text "INFO: ${text}")
+                (Any/toAny a v)
+            )
+
+  in  info

Misc/package.dhall

@@ -1 +1,10 @@
-λ(nix : ../NixPrelude.dhall) → { throw = ./throw.dhall nix }
+λ(nix : ../NixPrelude.dhall) →
+  { info = ./info.dhall nix
+  , showWarnings = ./showWarnings.dhall nix
+  , throw = ./throw.dhall nix
+  , throwIf = ./throwIf.dhall nix
+  , throwIfNot = ./throwIfNot.dhall nix
+  , warn = ./warn.dhall nix
+  , warnIf = ./warnIf.dhall nix
+  , warnIfNot = ./warnIfNot.dhall nix
+  }

Misc/showWarnings.dhall

@@ -0,0 +1,10 @@
+λ(nix : ../NixPrelude.dhall) →
+  let warn = ./warn.dhall nix
+
+  let showWarnings
+      : List Text → ∀(a : Type) → a → a
+      = λ(warnings : List Text) →
+        λ(a : Type) →
+          List/fold Text warnings a (λ(text : Text) → λ(v : a) → warn text a v)
+
+  in  showWarnings

Misc/throwIf.dhall

@@ -0,0 +1,15 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Function/identity =
+        https://prelude.dhall-lang.org/Function/identity.dhall
+          sha256:f78b96792b459cb664f41c6119bd8897dd04353a3343521d436cd82ad71cb4d4
+
+  let throw = ./throw.dhall nix
+
+  let throwIf
+      : Bool → Text → ∀(a : Type) → a → a
+      = λ(cond : Bool) →
+          if    cond
+          then  λ(message : Text) → λ(a : Type) → λ(_ : a) → throw a message
+          else  λ(msg : Text) → Function/identity
+
+  in  throwIf

Misc/throwIfNot.dhall

@@ -0,0 +1,12 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Bool/not =
+        https://prelude.dhall-lang.org/Bool/not.dhall
+          sha256:723df402df24377d8a853afed08d9d69a0a6d86e2e5b2bac8960b0d4756c7dc4
+
+  let throwIf = ./throwIf.dhall nix
+
+  let throwIfNot
+      : Bool → Text → ∀(a : Type) → a → a
+      = λ(cond : Bool) → throwIf (Bool/not cond)
+
+  in  throwIfNot

Misc/warn.dhall

@@ -0,0 +1,18 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any/toAny = ../Any/toAny.dhall nix
+
+  let Any/toTypeUnchecked = ../Any/toTypeUnchecked.dhall nix
+
+  let warn
+      : Text → ∀(a : Type) → a → a
+      = λ(text : Text) →
+        λ(a : Type) →
+        λ(v : a) →
+          Any/toTypeUnchecked
+            a
+            ( nix.builtins.trace
+                (Any/toAny Text "\u001B[1;31mwarning: ${text}\u001B[0m")
+                (Any/toAny a v)
+            )
+
+  in  warn

Misc/warnIf.dhall

@@ -0,0 +1,13 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Function/identity =
+        https://prelude.dhall-lang.org/Function/identity.dhall
+          sha256:f78b96792b459cb664f41c6119bd8897dd04353a3343521d436cd82ad71cb4d4
+
+  let warn = ./warn.dhall nix
+
+  let warnIf
+      : Bool → Text → ∀(a : Type) → a → a
+      = λ(cond : Bool) →
+          if cond then warn else λ(msg : Text) → Function/identity
+
+  in  warnIf

Misc/warnIfNot.dhall

@@ -0,0 +1,12 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Bool/not =
+        https://prelude.dhall-lang.org/Bool/not.dhall
+          sha256:723df402df24377d8a853afed08d9d69a0a6d86e2e5b2bac8960b0d4756c7dc4
+
+  let warnIf = ./warnIf.dhall nix
+
+  let warnIfNot
+      : Bool → Text → ∀(a : Type) → a → a
+      = λ(cond : Bool) → warnIf (Bool/not cond)
+
+  in  warnIfNot

Natural/bitAnd.dhall

@@ -0,0 +1,6 @@
+λ(nix : ../NixPrelude.dhall) →
+  let bitAnd
+      : Natural → Natural → Natural
+      = nix.builtins.bitAnd
+
+  in  bitAnd

Natural/bitOr.dhall

@@ -0,0 +1,6 @@
+λ(nix : ../NixPrelude.dhall) →
+  let bitOr
+      : Natural → Natural → Natural
+      = nix.builtins.bitOr
+
+  in  bitOr

Natural/bitXor.dhall

@@ -0,0 +1,6 @@
+λ(nix : ../NixPrelude.dhall) →
+  let bitXor
+      : Natural → Natural → Natural
+      = nix.builtins.bitXor
+
+  in  bitXor

Natural/compare.dhall

@@ -0,0 +1,15 @@
+let lessThan =
+      https://prelude.dhall-lang.org/Natural/lessThan.dhall
+        sha256:3381b66749290769badf8855d8a3f4af62e8de52d1364d838a9d1e20c94fa70c
+
+let greaterThan =
+      https://prelude.dhall-lang.org/Natural/greaterThan.dhall
+        sha256:f702abcdfcd7ad73619b9285d7e41c3a1d017fb6b8d037cf40bd93bf30c09b2c
+
+let compare
+    : Natural → Natural → Integer
+    = λ(a : Natural) →
+      λ(b : Natural) →
+        if lessThan a b then -1 else if greaterThan a b then +1 else +0
+
+in  compare

Natural/mod.dhall

@@ -0,0 +1,10 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Natural/divide = ./divide.dhall nix
+
+  let mod
+      : Natural → Natural → Natural
+      = λ(base : Natural) →
+        λ(int : Natural) →
+          Natural/subtract base (int * Natural/divide base int)
+
+  in  mod

Natural/package.dhall

@@ -1,2 +1,12 @@
 λ(nix : ../NixPrelude.dhall) →
-  { Type = Natural, divide = ./divide.dhall nix, fromAny = ./fromAny.dhall nix }
+  { Type = Natural
+  , bitAnd = ./bitAnd.dhall nix
+  , bitOr = ./bitOr.dhall nix
+  , bitXor = ./bitXor.dhall nix
+  , compare = ./compare.dhall
+  , divide = ./divide.dhall nix
+  , fromAny = ./fromAny.dhall nix
+  , mod = ./mod.dhall nix
+  , toBaseDigits = ./toBaseDigits.dhall nix
+  , toHexString = ./toHexString.dhall nix
+  }

Natural/toBaseDigits.dhall

@@ -0,0 +1,60 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any = ../Any/Type.dhall
+
+  let lessThan =
+        https://prelude.dhall-lang.org/Natural/lessThan.dhall
+          sha256:3381b66749290769badf8855d8a3f4af62e8de52d1364d838a9d1e20c94fa70c
+
+  let greaterThanEqual =
+        https://prelude.dhall-lang.org/Natural/greaterThanEqual.dhall
+          sha256:30ebfab0febd7aa0ccccfdf3dc36ee6d50f0117f35dd4a9b034750b7e885a1a4
+
+  let subtract =
+        https://prelude.dhall-lang.org/Natural/subtract.dhall
+          sha256:b9277ac637d09142a3a3ac79137ef5955c42f8b33b6746d59db2c9d75ccdd745
+
+  let Any/toAny = ../Any/toAny.dhall nix
+
+  let Any/toTypeUnchecked = ../Any/toTypeUnchecked.dhall nix
+
+  let divide = ./divide.dhall nix
+
+  let throwIfNot = ../Misc/throwIfNot.dhall nix
+
+  let toBaseDigits
+      : Natural → Natural → List Natural
+      = λ(base : Natural) →
+        λ(i : Natural) →
+          let FunctionType = λ(x : Type) → x → Natural → List Natural
+
+          let function =
+                λ(function : FunctionType Any) →
+                  let functionArgs =
+                        Any/toTypeUnchecked
+                          (FunctionType (FunctionType Any))
+                          (Any/toAny (FunctionType Any) function)
+                          function
+
+                  in  λ(i : Natural) →
+                        if    lessThan i base
+                        then  [ i ]
+                        else  let r = subtract i (divide i base * base)
+
+                              let q = divide (subtract i r) base
+
+                              in  [ r ] # functionArgs q
+
+          let functionErased =
+                Any/toTypeUnchecked
+                  (FunctionType Any)
+                  (Any/toAny (FunctionType (FunctionType Any)) function)
+
+          let go = function functionErased
+
+          in  throwIfNot
+                (greaterThanEqual base 2)
+                "Base must be 2 or greater"
+                (List Natural)
+                (List/reverse Natural (go i))
+
+  in  toBaseDigits

Natural/toHexString.dhall

@@ -0,0 +1,44 @@
+λ(nix : ../NixPrelude.dhall) →
+  let List/index =
+        https://prelude.dhall-lang.org/List/index.dhall
+          sha256:e657b55ecae4d899465c3032cb1a64c6aa6dc2aa3034204f3c15ce5c96c03e63
+
+  let Optional/default =
+        https://prelude.dhall-lang.org/Optional/default.dhall
+          sha256:5bd665b0d6605c374b3c4a7e2e2bd3b9c1e39323d41441149ed5e30d86e889ad
+
+  let toBaseDigits = ./toBaseDigits.dhall nix
+
+  let hexDigits =
+        [ "0"
+        , "1"
+        , "2"
+        , "3"
+        , "4"
+        , "5"
+        , "6"
+        , "7"
+        , "8"
+        , "9"
+        , "A"
+        , "B"
+        , "C"
+        , "D"
+        , "E"
+        , "F"
+        ]
+
+  let getHexDigit =
+        λ(n : Natural) → Optional/default Text "" (List/index n Text hexDigits)
+
+  let toHexString
+      : Natural → Text
+      = λ(v : Natural) →
+          List/fold
+            Natural
+            (toBaseDigits 16 v)
+            Text
+            (λ(v : Natural) → λ(s : Text) → getHexDigit v ++ s)
+            ""
+
+  in  toHexString

Number/compare.dhall

@@ -0,0 +1,14 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Number = ./Type.dhall
+
+  let lessThan = ./lessThan.dhall nix
+
+  let greaterThan = ./greaterThan.dhall nix
+
+  let compare
+      : Number → Number → Integer
+      = λ(a : Number) →
+        λ(b : Number) →
+          if lessThan a b then -1 else if greaterThan a b then +1 else +0
+
+  in  compare

Number/package.dhall

@@ -4,6 +4,7 @@
   , add = ./add.dhall nix
   , build = ./build.dhall nix
   , clamp = ./clamp.dhall nix
+  , compare = ./compare.dhall nix
   , divide = ./divide.dhall nix
   , equal = ./equal.dhall nix
   , fromAny = ./fromAny.dhall nix

Number/toNatural.dhall

@@ -1,10 +1,6 @@
 λ(nix : ../NixPrelude.dhall) →
   let Number = ./Type.dhall
 
-  let Integer/toNatural =
-        https://prelude.dhall-lang.org/Integer/toNatural.dhall
-          sha256:4d128730d74e7f832e53873cb5204aa91b79758be5ce4e1aa991fe1951304a0e
-
   let Number/toInteger = ./toInteger.dhall nix
 
-  in  λ(a : Number) → Integer/toNatural (Number/toInteger a)
+  in  λ(a : Number) → Integer/clamp (Number/toInteger a)

Path/importJSON.dhall

@@ -0,0 +1,12 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any = ../Any/Type.dhall
+
+  let Path = ./Type.dhall
+
+  let readFile = ./readFile.dhall nix
+
+  let importJSON
+      : Path → Any
+      = λ(p : Path) → nix.builtins.fromJSON (readFile p)
+
+  in  importJSON

Path/importTOML.dhall

@@ -0,0 +1,12 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any = ../Any/Type.dhall
+
+  let Path = ./Type.dhall
+
+  let readFile = ./readFile.dhall nix
+
+  let importTOML
+      : Path → Any
+      = λ(p : Path) → nix.builtins.fromTOML (readFile p)
+
+  in  importTOML

Path/package.dhall

@@ -1 +1,7 @@
-λ(nix : ../NixPrelude.dhall) → { Type = ./Type.dhall }
+λ(nix : ../NixPrelude.dhall) →
+  { Type = ./Type.dhall
+  , importJSON = ./importJSON.dhall nix
+  , importTOML = ./importTOML.dhall nix
+  , pathExists = ./pathExists.dhall nix
+  , readFile = ./readFile.dhall nix
+  }

Path/pathExists.dhall

@@ -0,0 +1 @@
+λ(nix : ../NixPrelude.dhall) → nix.builtins.pathExists

Path/readFile.dhall

@@ -0,0 +1 @@
+λ(nix : ../NixPrelude.dhall) → nix.builtins.readFile

Set/mergeAttrs.dhall

@@ -0,0 +1,16 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Set = ./Type.dhall
+
+  let Any/toTypeUnchecked = ../Any/toTypeUnchecked.dhall nix
+
+  let mergeAttrFile = "a: b: a // b"
+
+  let mergeAttrs =
+          Any/toTypeUnchecked
+            (Set → Set → Set)
+            ( nix.builtins.import
+                (nix.builtins.toFile "mergeAttrs.nix" mergeAttrFile)
+            )
+        : Set → Set → Set
+
+  in  mergeAttrs

Set/package.dhall

@@ -1 +1,6 @@
-λ(nix : ../NixPrelude.dhall) → { Type = ./Type.dhall }
+λ(nix : ../NixPrelude.dhall) →
+  { Type = ./Type.dhall
+  , setToMap = ./toMap.dhall nix
+  , toSet = ./toSet.dhall nix
+  , mergeAttrs = ./mergeAttrs.dhall nix
+  }

Set/toMap.dhall

@@ -0,0 +1,31 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any = ../Any/Type.dhall
+
+  let Set = ./Type.dhall
+
+  let Map =
+        https://prelude.dhall-lang.org/Map/Type.dhall
+          sha256:210c7a9eba71efbb0f7a66b3dcf8b9d3976ffc2bc0e907aadfb6aa29c333e8ed
+
+  let Entry =
+        https://prelude.dhall-lang.org/Map/Entry.dhall
+          sha256:f334283bdd9cd88e6ea510ca914bc221fc2dab5fb424d24514b2e0df600d5346
+
+  let List/map =
+        https://prelude.dhall-lang.org/List/map.dhall
+          sha256:dd845ffb4568d40327f2a817eb42d1c6138b929ca758d50bc33112ef3c885680
+
+  let setToMap
+      : Set → Map Text Any
+      = λ(set : Set) →
+          let attrs = nix.builtins.attrNames set
+
+          in  List/map
+                Text
+                (Entry Text Any)
+                ( λ(k : Text) →
+                    { mapKey = k, mapValue = nix.builtins.getAttr k set }
+                )
+                attrs
+
+  in  setToMap

Set/toSet.dhall

@@ -0,0 +1,34 @@
+λ(nix : ../NixPrelude.dhall) →
+  let Any = ../Any/Type.dhall
+
+  let Set = ./Type.dhall
+
+  let Map =
+        https://prelude.dhall-lang.org/Map/Type.dhall
+          sha256:210c7a9eba71efbb0f7a66b3dcf8b9d3976ffc2bc0e907aadfb6aa29c333e8ed
+
+  let Entry =
+        https://prelude.dhall-lang.org/Map/Entry.dhall
+          sha256:f334283bdd9cd88e6ea510ca914bc221fc2dab5fb424d24514b2e0df600d5346
+
+  let List/map =
+        https://prelude.dhall-lang.org/List/map.dhall
+          sha256:dd845ffb4568d40327f2a817eb42d1c6138b929ca758d50bc33112ef3c885680
+
+  let Any/toAny = ../Any/toAny.dhall nix
+
+  let toSet
+      : ∀(a : Type) → Map Text a → Set
+      = λ(a : Type) →
+        λ(map : Map Text a) →
+          nix.builtins.listToAttrs
+            ( List/map
+                (Entry Text a)
+                { name : Text, value : Any }
+                ( λ(entry : Entry Text a) →
+                    { name = entry.mapKey, value = Any/toAny a entry.mapValue }
+                )
+                map
+            )
+
+  in  toSet

builtins.dhall

@@ -44,6 +44,7 @@ in  { derivation : ∀(attrs : Set) → Path
         ∀(list : List Any) →
           Any
     , fromJSON : ∀(e : Text) → Any
+    , fromTOML : Text → Any
     , functionArgs : ∀(e : Any) → Set
     , genList :
         ∀(generator : ∀(e : Natural) → Any) → ∀(length : Natural) → List Any

package.dhall

@@ -4,9 +4,12 @@
   ∧ { Any = ./Any/package.dhall nix
     , Bool = ./Bool/package.dhall nix
     , Double = ./Double/package.dhall nix
+    , Function = ./Function/package.dhall nix
     , Integer = ./Integer/package.dhall nix
     , List = ./List/package.dhall nix
     , Misc = ./Misc/package.dhall nix
     , Natural = ./Natural/package.dhall nix
     , Number = ./Number/package.dhall nix
+    , Path = ./Path/package.dhall nix
+    , Set = ./Set/package.dhall nix
     }