Make comma a delimiter

examples/milestone/Collatz/Collatz.juvix

@@ -38,7 +38,7 @@ getInitial : ℕ;
 getInitial ≔ parsePositiveInt (readline);
 
 output : ℕ → ℕ × IO;
-output n ≔ (n , putStrLn (natToStr n));
+output n ≔ (n, putStrLn (natToStr n));
 
 terminating
 run : (ℕ → ℕ) → ℕ → IO;

examples/milestone/TicTacToe/CLI/TicTacToe.juvix

@@ -27,7 +27,7 @@ getMove : Maybe ℕ;
 getMove ≔ validMove (parsePositiveInt (readline));
 
 do : IO × GameState -> GameState;
-do (_ , s) ≔ playMove getMove s;
+do (_, s) ≔ playMove getMove s;
 
 -- | A ;String; that prompts the user for their input
 prompt : GameState → String;
@@ -37,8 +37,8 @@ prompt x ≔ "\n" ++str (showGameState x) ++str "\nPlayer " ++str showSymbol (pl
 terminating
 run : (IO × GameState → GameState) → GameState → IO;
 run _ (state b p (terminate msg)) ≔ putStrLn ("\n" ++str (showGameState (state b p noError)) ++str "\n" ++str msg);
-run f (state b p (continue msg)) ≔ run f (f (putStr (msg ++str prompt (state b p noError)) , state b p noError));
-run f x ≔ run f (f (putStr (prompt x) , x));
+run f (state b p (continue msg)) ≔ run f (f (putStr (msg ++str prompt (state b p noError)), state b p noError));
+run f x ≔ run f (f (putStr (prompt x), x));
 
 --- The welcome message
 welcome : String;

examples/milestone/TicTacToe/Web/TicTacToe.juvix

@@ -52,7 +52,7 @@ mapIO f xs ≔ sequenceIO (map f xs);
 -- List extensions
 
 zip : {A : Type} → {B : Type} → List A → List B → List (A × B);
-zip (a ∷ as) (b ∷ bs) ≔ (a , b) ∷ zip as bs;
+zip (a ∷ as) (b ∷ bs) ≔ (a, b) ∷ zip as bs;
 zip _ _ ≔ nil;
 
 rangeAux : ℕ → ℕ → List ℕ;
@@ -122,10 +122,10 @@ renderSquare row col (empty n) ≔
     >> renderNumber n row col;
 
 renderRowAux : ℕ → (ℕ × Square) → IO;
-renderRowAux col (row , s) ≔ renderSquare row col s;
+renderRowAux col (row, s) ≔ renderSquare row col s;
 
 renderRow : ℕ × (List Square) → IO;
-renderRow (n , xs) ≔ mapIO (renderRowAux n) (enumerate xs);
+renderRow (n, xs) ≔ mapIO (renderRowAux n) (enumerate xs);
 
 renderBoard : Board → IO;
 renderBoard (board squares) ≔ mapIO renderRow (enumerate squares);

examples/milestone/ValidityPredicates/SimpleFungibleToken.juvix

@@ -9,7 +9,7 @@ import Data.Int.Ops;
 -- Misc
 
 pair-from-optionString : (String → Int × Bool) → Maybe String → Int × Bool;
-pair-from-optionString ≔ maybe (Int_0 , false);
+pair-from-optionString ≔ maybe (Int_0, false);
 
 -- Validity Predicate
 
@@ -25,20 +25,20 @@ check-vp verifiers key change owner ≔
         (change Data.Int.Ops.+ (change-from-key key),  true);
 
 check-keys : String → List String → Int × Bool → String → Int × Bool;
-check-keys token verifiers (change , is-success) key ≔
+check-keys token verifiers (change, is-success) key ≔
     if
         is-success
         (pair-from-optionString (check-vp verifiers key change) (is-balance-key token key))
-        (Int_0 , false);
+        (Int_0, false);
 
 check-result : Int × Bool → Bool;
-check-result (change , all-checked) ≔ (change Data.Int.Ops.== Int_0) && all-checked;
+check-result (change, all-checked) ≔ (change Data.Int.Ops.== Int_0) && all-checked;
 
 vp : String → List String → List String → Bool;
 vp token keys-changed verifiers ≔
     check-result
         (foldl
             (check-keys token verifiers)
-            (Int_0 , true)
+            (Int_0, true)
             keys-changed);
 end;

src/Juvix/Parser/Lexer.hs

@@ -94,7 +94,10 @@ rawIdentifier allKeywords = do
 
 validTailChar :: Char -> Bool
 validTailChar c =
-  isAlphaNum c || validFirstChar c
+  isAlphaNum c || (validFirstChar c && notElem c delimiterSymbols)
+
+delimiterSymbols :: [Char]
+delimiterSymbols = ","
 
 reservedSymbols :: [Char]
 reservedSymbols = "\";(){}[].≔λ\\"

tests/positive/FullExamples/SimpleFungibleTokenImplicit.juvix

@@ -189,7 +189,7 @@ from-string : String → Maybe String;
 from-string s ≔ if (s ==String "") nothing (just s);
 
 pair-from-optionString : (String → Int × Bool) → Maybe String → Int × Bool;
-pair-from-optionString ≔ maybe (Int_0 , false);
+pair-from-optionString ≔ maybe (Int_0, false);
 
 --------------------------------------------------------------------------------
 -- Anoma
@@ -238,21 +238,21 @@ check-vp verifiers key change owner ≔
         (change + (change-from-key key),  true);
 
 check-keys : String → List String → Int × Bool → String → Int × Bool;
-check-keys token verifiers (change , is-success) key ≔
+check-keys token verifiers (change, is-success) key ≔
     if
         is-success
         (pair-from-optionString (check-vp verifiers key change) (is-balance-key token key))
-        (Int_0 , false);
+        (Int_0, false);
 
 check-result : Int × Bool → Bool;
-check-result (change , all-checked) ≔ (change ==Int Int_0) && all-checked;
+check-result (change, all-checked) ≔ (change ==Int Int_0) && all-checked;
 
 vp : String → List String → List String → Bool;
 vp token keys-changed verifiers ≔
     check-result
         (foldl
             (check-keys token verifiers)
-            (Int_0 , true)
+            (Int_0, true)
             keys-changed);
 
 --------------------------------------------------------------------------------

tests/positive/Internal/Implicit.juvix

@@ -16,25 +16,25 @@ inductive × (A : Type) (B : Type) {
 };
 
 uncurry : {A : Type} → {B : Type} → {C : Type} → (A → B → C) → A × B → C;
-uncurry f (a , b) ≔ f a b;
+uncurry f (a, b) ≔ f a b;
 
 fst : {A : Type} → {B : Type} → A × B → A;
-fst (a , _) ≔ a;
+fst (a, _) ≔ a;
 
 snd : {A : Type} → {B : Type} → A × B → B;
-snd (_ , b) ≔ b;
+snd (_, b) ≔ b;
 
 swap : {A : Type} → {B : Type} → A × B → B × A;
-swap (a , b) ≔ b , a;
+swap (a, b) ≔ b, a;
 
 first : {A : Type} → {B : Type} → {A' : Type} → (A → A') → A × B → A' × B;
-first f (a , b) ≔ f a , b;
+first f (a, b) ≔ f a, b;
 
 second : {A : Type} → {B : Type} → {B' : Type} → (B → B') → A × B → A × B';
-second f (a , b) ≔ a , f b;
+second f (a, b) ≔ a, f b;
 
 both : {A : Type} → {B : Type} → (A → B) → A × A → B × B;
-both f (a , b) ≔ f a , f b;
+both f (a, b) ≔ f a, f b;
 
 inductive Bool {
   true : Bool;
@@ -55,7 +55,7 @@ upToTwo : _;
 upToTwo ≔ zero ∷ suc zero ∷ suc (suc zero) ∷ nil;
 
 p1 : Nat → Nat → Nat × Nat;
-p1 a b ≔ a , b ;
+p1 a b ≔ a, b ;
 
 inductive Proxy (A : Type) {
  proxy : Proxy A;
@@ -96,10 +96,10 @@ f : {A : Type} → {B : Type} → A → B → _;
 f a b ≔ a;
 
 pairEval : {A : Type} → {B : Type} → (A → B) × A → B;
-pairEval (f , x) ≔ f x;
+pairEval (f, x) ≔ f x;
 
 pairEval' : {A : Type} → {B : Type} → ({C : Type} → A → B) × A → B;
-pairEval' (f , x) ≔ f {Nat} x;
+pairEval' (f, x) ≔ f {Nat} x;
 
 foldr : {A : Type} → {B : Type} → (A → B → B) → B → List A → B;
 foldr _ z nil ≔ z;
@@ -116,7 +116,7 @@ filter f (h ∷ hs) ≔ if (f h)
    (filter f hs);
 
 partition : {A : Type} → (A → Bool) → List A → List A × List A;
-partition _ nil ≔ nil , nil;
+partition _ nil ≔ nil, nil;
 partition f (x ∷ xs) ≔ (if (f x) first second) ((∷) x) (partition f xs);
 
 end;

tests/positive/MiniC/Polymorphism/Input.juvix

@@ -70,18 +70,18 @@ inductive × (A : Type) (B : Type) {
 };
 
 fst : {A : Type} → {B : Type} → A × B → A;
-fst (a , b) ≔ a;
+fst (a, b) ≔ a;
 
 id' : {A : Type} → A → A;
-id' a ≔ fst (a , a);
+id' a ≔ fst (a, a);
 
 --------------------------------------------------------------------------------
 -- Main
 --------------------------------------------------------------------------------
 
 fst-of-pair : Action;
 fst-of-pair ≔ (put-str "fst (True, False) = ")
-               >> put-str-ln (bool-to-str (fst (true , false)));
+               >> put-str-ln (bool-to-str (fst (true, false)));
 
 main : Action;
 main ≔ fst-of-pair >> put-str-ln (bool-to-str (id' false));

tests/positive/MiniC/SimpleFungibleTokenImplicit/Input.juvix

@@ -232,7 +232,7 @@ from-string : String → Maybe String;
 from-string s ≔ if (s ==String "") nothing (just s);
 
 pair-from-optionString : (String → Int × Bool) → Maybe String → Int × Bool;
-pair-from-optionString ≔ maybe (Int_0 , false);
+pair-from-optionString ≔ maybe (Int_0, false);
 
 --------------------------------------------------------------------------------
 -- Anoma
@@ -278,24 +278,24 @@ check-vp verifiers key change owner ≔
         (isNegative (change-from-key key))
         -- make sure the spender approved the transaction
         (change + (change-from-key key), elem (==String) owner verifiers)
-        (change + (change-from-key key),  true);
+        (change + (change-from-key key), true);
 
 check-keys : String → List String → Int × Bool → String → Int × Bool;
-check-keys token verifiers (change , is-success) key ≔
+check-keys token verifiers (change, is-success) key ≔
     if
         is-success
         (pair-from-optionString (check-vp verifiers key change) (is-balance-key token key))
-        (Int_0 , false);
+        (Int_0, false);
 
 check-result : Int × Bool → Bool;
-check-result (change , all-checked) ≔ (change ==Int Int_0) && all-checked;
+check-result (change, all-checked) ≔ (change ==Int Int_0) && all-checked;
 
 vp : String → List String → List String → Bool;
 vp token keys-changed verifiers ≔
     check-result
         (foldl
             (check-keys token verifiers)
-            (Int_0 , true)
+            (Int_0, true)
             keys-changed);
 
 --------------------------------------------------------------------------------

tests/positive/StdlibList/Data/List.juvix

@@ -61,7 +61,7 @@ import Data.Product;
 open Data.Product;
 
 splitAt : (a : Type) → ℕ → List a → List a;
-splitAt a _ (nil _) ≔ nil a , nil a;
+splitAt a _ (nil _) ≔ nil a, nil a;
 splitAt a zero xs ≔ , (List a) (List a) (nil a) xs;
 splitAt a (suc zero) (∷ _ x xs) ≔ , (List a) (List a) (∷ a x (nil a)) xs;
 splitAt a (suc (suc m)) (∷ _ x xs) ≔ match (splitAt a m xs) λ{