Primitive to int/float/bool

example/src/main.nub

@@ -1,5 +1,5 @@
 func main(args: []cstring): i64
 {
-    puts("test" =)
+    puts("test")
     return 0
 }

src/compiler/NubLang/Generation/QBE/QBEGenerator.Expression.cs

@@ -189,11 +189,11 @@ public partial class QBEGenerator
 
             string sign;
 
-            if (simpleType is NubPrimitiveType { Kind: PrimitiveTypeKind.I8 or PrimitiveTypeKind.I16 or PrimitiveTypeKind.I32 or PrimitiveTypeKind.I64 })
+            if (simpleType is NubIntType { Signed: true })
             {
                 sign = "s";
             }
-            else if (simpleType is NubPrimitiveType { Kind: PrimitiveTypeKind.U8 or PrimitiveTypeKind.U16 or PrimitiveTypeKind.U32 or PrimitiveTypeKind.U64 })
+            else if (simpleType is NubIntType { Signed: false })
             {
                 sign = "u";
             }
@@ -245,21 +245,21 @@ public partial class QBEGenerator
         {
             case LiteralKind.Integer:
             {
-                if (literal.Type is NubPrimitiveType { Kind: PrimitiveTypeKind.F32 })
+                if (literal.Type is NubFloatType { Width: 32 })
                 {
                     var value = float.Parse(literal.Value, CultureInfo.InvariantCulture);
                     var bits = BitConverter.SingleToInt32Bits(value);
                     return new Val(bits.ToString(), literal.Type, ValKind.Direct);
                 }
 
-                if (literal.Type is NubPrimitiveType { Kind: PrimitiveTypeKind.F64 })
+                if (literal.Type is NubFloatType { Width: 64 })
                 {
                     var value = double.Parse(literal.Value, CultureInfo.InvariantCulture);
                     var bits = BitConverter.DoubleToInt64Bits(value);
                     return new Val(bits.ToString(), literal.Type, ValKind.Direct);
                 }
 
-                if (literal.Type is NubPrimitiveType { Kind: PrimitiveTypeKind.I8 or PrimitiveTypeKind.U8 or PrimitiveTypeKind.I16 or PrimitiveTypeKind.U16 or PrimitiveTypeKind.I32 or PrimitiveTypeKind.U32 or PrimitiveTypeKind.I64 or PrimitiveTypeKind.U64 })
+                if (literal.Type is NubIntType)
                 {
                     return new Val(literal.Value, literal.Type, ValKind.Direct);
                 }
@@ -268,19 +268,19 @@ public partial class QBEGenerator
             }
             case LiteralKind.Float:
             {
-                if (literal.Type is NubPrimitiveType { Kind: PrimitiveTypeKind.I8 or PrimitiveTypeKind.U8 or PrimitiveTypeKind.I16 or PrimitiveTypeKind.U16 or PrimitiveTypeKind.I32 or PrimitiveTypeKind.U32 or PrimitiveTypeKind.I64 or PrimitiveTypeKind.U64 })
+                if (literal.Type is NubIntType)
                 {
                     return new Val(literal.Value.Split(".").First(), literal.Type, ValKind.Direct);
                 }
 
-                if (literal.Type is NubPrimitiveType { Kind: PrimitiveTypeKind.F32 })
+                if (literal.Type is NubFloatType { Width: 32 })
                 {
                     var value = float.Parse(literal.Value, CultureInfo.InvariantCulture);
                     var bits = BitConverter.SingleToInt32Bits(value);
                     return new Val(bits.ToString(), literal.Type, ValKind.Direct);
                 }
 
-                if (literal.Type is NubPrimitiveType { Kind: PrimitiveTypeKind.F64 })
+                if (literal.Type is NubFloatType { Width: 64 })
                 {
                     var value = double.Parse(literal.Value, CultureInfo.InvariantCulture);
                     var bits = BitConverter.DoubleToInt64Bits(value);
@@ -309,7 +309,7 @@ public partial class QBEGenerator
             }
             case LiteralKind.Bool:
             {
-                if (literal.Type is NubPrimitiveType { Kind: PrimitiveTypeKind.Bool })
+                if (literal.Type is NubBoolType)
                 {
                     return new Val(bool.Parse(literal.Value) ? "1" : "0", literal.Type, ValKind.Direct);
                 }
@@ -360,16 +360,16 @@ public partial class QBEGenerator
             {
                 switch (unaryExpression.Operand.Type)
                 {
-                    case NubPrimitiveType { Kind: PrimitiveTypeKind.I64 }:
+                    case NubIntType { Signed: true, Width: 64 }:
                         _writer.Indented($"{outputName} =l neg {operand}");
                         return new Val(outputName, unaryExpression.Type, ValKind.Direct);
-                    case NubPrimitiveType { Kind: PrimitiveTypeKind.I32 or PrimitiveTypeKind.I16 or PrimitiveTypeKind.I8 }:
+                    case NubIntType { Signed: true, Width: 8 or 16 or 32 }:
                         _writer.Indented($"{outputName} =w neg {operand}");
                         return new Val(outputName, unaryExpression.Type, ValKind.Direct);
-                    case NubPrimitiveType { Kind: PrimitiveTypeKind.F64 }:
+                    case NubFloatType { Width: 64 }:
                         _writer.Indented($"{outputName} =d neg {operand}");
                         return new Val(outputName, unaryExpression.Type, ValKind.Direct);
-                    case NubPrimitiveType { Kind: PrimitiveTypeKind.F32 }:
+                    case NubFloatType { Width: 32 }:
                         _writer.Indented($"{outputName} =s neg {operand}");
                         return new Val(outputName, unaryExpression.Type, ValKind.Direct);
                 }
@@ -380,7 +380,7 @@ public partial class QBEGenerator
             {
                 switch (unaryExpression.Operand.Type)
                 {
-                    case NubPrimitiveType { Kind: PrimitiveTypeKind.Bool }:
+                    case NubBoolType:
                         _writer.Indented($"{outputName} =w xor {operand}, 1");
                         return new Val(outputName, unaryExpression.Type, ValKind.Direct);
                 }

src/compiler/NubLang/Parsing/Parser.cs

@@ -580,22 +580,54 @@ public sealed class Parser
         var startIndex = _tokenIndex;
         if (TryExpectIdentifier(out var name))
         {
+            if (name.Value[0] == 'u' && int.TryParse(name.Value[1..], out var size))
+            {
+                if (size is not 8 and not 16 and not 32 and not 64)
+                {
+                    throw new ParseException(Diagnostic
+                        .Error("Arbitrary uint size is not supported")
+                        .WithHelp("Use u8, u16, u32 or u64")
+                        .At(name)
+                        .Build());
+                }
+
+                return new IntTypeSyntax(GetTokens(startIndex), false, size);
+            }
+
+            if (name.Value[0] == 'i' && int.TryParse(name.Value[1..], out size))
+            {
+                if (size is not 8 and not 16 and not 32 and not 64)
+                {
+                    throw new ParseException(Diagnostic
+                        .Error("Arbitrary int size is not supported")
+                        .WithHelp("Use i8, i16, i32 or i64")
+                        .At(name)
+                        .Build());
+                }
+
+                return new IntTypeSyntax(GetTokens(startIndex), true, size);
+            }
+
+            if (name.Value[0] == 'f' && int.TryParse(name.Value[1..], out size))
+            {
+                if (size is not 32 and not 64)
+                {
+                    throw new ParseException(Diagnostic
+                        .Error("Arbitrary float size is not supported")
+                        .WithHelp("Use f32 or f64")
+                        .At(name)
+                        .Build());
+                }
+
+                return new FloatTypeSyntax(GetTokens(startIndex), size);
+            }
+
             return name.Value switch
             {
                 "void" => new VoidTypeSyntax(GetTokens(startIndex)),
                 "string" => new StringTypeSyntax(GetTokens(startIndex)),
                 "cstring" => new CStringTypeSyntax(GetTokens(startIndex)),
-                "i64" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeSyntaxKind.I64),
+                "bool" => new BoolTypeSyntax(GetTokens(startIndex)),
-                "i32" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeSyntaxKind.I32),
-                "i16" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeSyntaxKind.I16),
-                "i8" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeSyntaxKind.I8),
-                "u64" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeSyntaxKind.U64),
-                "u32" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeSyntaxKind.U32),
-                "u16" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeSyntaxKind.U16),
-                "u8" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeSyntaxKind.U8),
-                "f64" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeSyntaxKind.F64),
-                "f32" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeSyntaxKind.F32),
-                "bool" => new PrimitiveTypeSyntax(GetTokens(startIndex), PrimitiveTypeSyntaxKind.Bool),
                 _ => new CustomTypeSyntax(GetTokens(startIndex), name.Value)
             };
         }

src/compiler/NubLang/Parsing/Syntax/TypeSyntax.cs

@@ -2,35 +2,22 @@ using NubLang.Tokenization;
 
 namespace NubLang.Parsing.Syntax;
 
-public enum PrimitiveTypeSyntaxKind
-{
-    I64,
-    I32,
-    I16,
-    I8,
-    U64,
-    U32,
-    U16,
-    U8,
-    F64,
-    F32,
-    Bool
-}
-
 public abstract record TypeSyntax(IEnumerable<Token> Tokens) : SyntaxNode(Tokens)
 {
     public string MangledName()
     {
         return this switch
         {
-            PrimitiveTypeSyntax primitive => primitive.SyntaxKind.ToString().ToLower(),
             VoidTypeSyntax => "void",
             CStringTypeSyntax => "cstring",
             StringTypeSyntax => "string",
             PointerTypeSyntax ptr => $"ptr_{ptr.BaseType.MangledName()}",
             ArrayTypeSyntax arr => $"arr_{arr.BaseType.MangledName()}",
+            BoolTypeSyntax => "bool",
             CustomTypeSyntax custom => $"custom_{custom.Name}",
+            FloatTypeSyntax @float => $"f{@float.Width}",
             FuncTypeSyntax func => $"func_{string.Join("_", func.Parameters.Select(x => x.MangledName()))}_to_{func.ReturnType.MangledName()}",
+            IntTypeSyntax @int => $"{(@int.Signed ? "i" : "u")}{@int.Width}",
             _ => throw new NotSupportedException($"Unknown type syntax: {GetType().Name}")
         };
     }
@@ -62,12 +49,17 @@ public record VoidTypeSyntax(IEnumerable<Token> Tokens) : TypeSyntax(Tokens)
     public override IEnumerable<SyntaxNode> GetChildren() => [];
 }
 
-public record PrimitiveTypeSyntax(IEnumerable<Token> Tokens, PrimitiveTypeSyntaxKind SyntaxKind) : TypeSyntax(Tokens)
+public record IntTypeSyntax(IEnumerable<Token> Tokens, bool Signed, int Width) : TypeSyntax(Tokens)
 {
     public override IEnumerable<SyntaxNode> GetChildren() => [];
 }
 
-public record CStringTypeSyntax(IEnumerable<Token> Tokens) : TypeSyntax(Tokens)
+public record FloatTypeSyntax(IEnumerable<Token> Tokens, int Width) : TypeSyntax(Tokens)
+{
+    public override IEnumerable<SyntaxNode> GetChildren() => [];
+}
+
+public record BoolTypeSyntax(IEnumerable<Token> Tokens) : TypeSyntax(Tokens)
 {
     public override IEnumerable<SyntaxNode> GetChildren() => [];
 }
@@ -77,7 +69,7 @@ public record StringTypeSyntax(IEnumerable<Token> Tokens) : TypeSyntax(Tokens)
     public override IEnumerable<SyntaxNode> GetChildren() => [];
 }
 
-public record CustomTypeSyntax(IEnumerable<Token> Tokens, string Name) : TypeSyntax(Tokens)
+public record CStringTypeSyntax(IEnumerable<Token> Tokens) : TypeSyntax(Tokens)
 {
     public override IEnumerable<SyntaxNode> GetChildren() => [];
 }
@@ -88,4 +80,9 @@ public record ArrayTypeSyntax(IEnumerable<Token> Tokens, TypeSyntax BaseType) :
     {
         yield return BaseType;
     }
+}
+
+public record CustomTypeSyntax(IEnumerable<Token> Tokens, string Name) : TypeSyntax(Tokens)
+{
+    public override IEnumerable<SyntaxNode> GetChildren() => [];
 }

src/compiler/NubLang/TypeChecking/DefinitionTable.cs

@@ -1,4 +1,5 @@
 using NubLang.Parsing.Syntax;
+using NubLang.TypeChecking.Node;
 
 namespace NubLang.TypeChecking;
 

src/compiler/NubLang/TypeChecking/Node/NubType.cs

@@ -1,24 +1,10 @@
 using System.Diagnostics.CodeAnalysis;
 using NubLang.Generation;
 
-namespace NubLang.TypeChecking;
+namespace NubLang.TypeChecking.Node;
 
 public abstract class NubType : IEquatable<NubType>
 {
-    public bool IsNumber => this is NubPrimitiveType
-    {
-        Kind: PrimitiveTypeKind.I8
-        or PrimitiveTypeKind.I16
-        or PrimitiveTypeKind.I32
-        or PrimitiveTypeKind.I64
-        or PrimitiveTypeKind.U8
-        or PrimitiveTypeKind.U16
-        or PrimitiveTypeKind.U32
-        or PrimitiveTypeKind.U64
-        or PrimitiveTypeKind.F32
-        or PrimitiveTypeKind.F64
-    };
-
     public bool IsSimpleType([NotNullWhen(true)] out NubSimpleType? simpleType, [NotNullWhen(false)] out NubComplexType? complexType)
     {
         if (this is NubSimpleType st)
@@ -35,7 +21,7 @@ public abstract class NubType : IEquatable<NubType>
             return false;
         }
 
-        throw new ArgumentException($"Type {this} is not a simple type nor a compex type");
+        throw new ArgumentException($"Type {this} is not a simple type nor a complex type");
     }
 
     public abstract int Size(TypedDefinitionTable definitionTable);
@@ -95,6 +81,61 @@ public abstract class NubSimpleType : NubType
 
 #region Simple types
 
+public class NubIntType(bool signed, int width) : NubSimpleType
+{
+    public bool Signed { get; } = signed;
+    public int Width { get; } = width;
+
+    public override StorageSize StorageSize => Signed switch
+    {
+        true => Width switch
+        {
+            8 => StorageSize.I8,
+            16 => StorageSize.I16,
+            32 => StorageSize.I32,
+            64 => StorageSize.I64,
+            _ => throw new ArgumentOutOfRangeException(nameof(Width))
+        },
+        false => Width switch
+        {
+            8 => StorageSize.U8,
+            16 => StorageSize.U16,
+            32 => StorageSize.U32,
+            64 => StorageSize.U64,
+            _ => throw new ArgumentOutOfRangeException(nameof(Width))
+        }
+    };
+
+    public override string ToString() => $"{(Signed ? "i" : "u")}{Width}";
+    public override bool Equals(NubType? other) => other is NubIntType @int && @int.Width == Width && @int.Signed == Signed;
+    public override int GetHashCode() => HashCode.Combine(typeof(NubIntType), Signed, Width);
+}
+
+public class NubFloatType(int width) : NubSimpleType
+{
+    public int Width { get; } = width;
+
+    public override StorageSize StorageSize => Width switch
+    {
+        32 => StorageSize.F32,
+        64 => StorageSize.F64,
+        _ => throw new ArgumentOutOfRangeException(nameof(Width))
+    };
+
+    public override string ToString() => $"f{Width}";
+    public override bool Equals(NubType? other) => other is NubFloatType @int && @int.Width == Width;
+    public override int GetHashCode() => HashCode.Combine(typeof(NubFloatType), Width);
+}
+
+public class NubBoolType : NubSimpleType
+{
+    public override StorageSize StorageSize => StorageSize.U8;
+
+    public override string ToString() => "bool";
+    public override bool Equals(NubType? other) => other is NubBoolType;
+    public override int GetHashCode() => HashCode.Combine(typeof(NubBoolType));
+}
+
 public class NubFuncType(List<NubType> parameters, NubType returnType) : NubSimpleType
 {
     public IReadOnlyList<NubType> Parameters { get; } = parameters;
@@ -139,67 +180,6 @@ public class NubVoidType : NubSimpleType
     public override int GetHashCode() => HashCode.Combine(typeof(NubVoidType));
 }
 
-public class NubPrimitiveType(PrimitiveTypeKind kind) : NubSimpleType
-{
-    public PrimitiveTypeKind Kind { get; } = kind;
-
-    public override StorageSize StorageSize => Kind switch
-    {
-        PrimitiveTypeKind.I8 => StorageSize.I8,
-        PrimitiveTypeKind.I16 => StorageSize.I16,
-        PrimitiveTypeKind.I32 => StorageSize.I32,
-        PrimitiveTypeKind.I64 => StorageSize.I64,
-        PrimitiveTypeKind.U8 => StorageSize.U8,
-        PrimitiveTypeKind.U16 => StorageSize.U16,
-        PrimitiveTypeKind.U32 => StorageSize.U32,
-        PrimitiveTypeKind.U64 => StorageSize.U64,
-        PrimitiveTypeKind.F64 => StorageSize.F64,
-        PrimitiveTypeKind.F32 => StorageSize.F32,
-        PrimitiveTypeKind.Bool => StorageSize.U8,
-        _ => throw new ArgumentOutOfRangeException()
-    };
-
-    public override string ToString()
-    {
-        return Kind switch
-        {
-            PrimitiveTypeKind.I8 => "i8",
-            PrimitiveTypeKind.I16 => "i16",
-            PrimitiveTypeKind.I32 => "i32",
-            PrimitiveTypeKind.I64 => "i64",
-
-            PrimitiveTypeKind.U8 => "u8",
-            PrimitiveTypeKind.U16 => "u16",
-            PrimitiveTypeKind.U32 => "u32",
-            PrimitiveTypeKind.U64 => "u64",
-
-            PrimitiveTypeKind.F32 => "f32",
-            PrimitiveTypeKind.F64 => "f64",
-
-            PrimitiveTypeKind.Bool => "bool",
-            _ => throw new ArgumentOutOfRangeException(nameof(kind), Kind, null)
-        };
-    }
-
-    public override bool Equals(NubType? other) => other is NubPrimitiveType primitive && primitive.Kind == Kind;
-    public override int GetHashCode() => HashCode.Combine(typeof(NubPrimitiveType), Kind.GetHashCode());
-}
-
-public enum PrimitiveTypeKind
-{
-    I64,
-    I32,
-    I16,
-    I8,
-    U64,
-    U32,
-    U16,
-    U8,
-    F64,
-    F32,
-    Bool
-}
-
 #endregion
 
 public abstract class NubComplexType : NubType;

src/compiler/NubLang/TypeChecking/TypeChecker.cs

@@ -139,7 +139,7 @@ public sealed class TypeChecker
             );
         }
 
-        return new If(CheckExpression(statement.Condition, new NubPrimitiveType(PrimitiveTypeKind.Bool)), CheckBlock(statement.Body), elseStatement);
+        return new If(CheckExpression(statement.Condition, new NubBoolType()), CheckBlock(statement.Body), elseStatement);
     }
 
     private Return CheckReturn(ReturnSyntax statement)
@@ -188,7 +188,7 @@ public sealed class TypeChecker
 
     private While CheckWhile(WhileSyntax statement)
     {
-        return new While(CheckExpression(statement.Condition, new NubPrimitiveType(PrimitiveTypeKind.Bool)), CheckBlock(statement.Body));
+        return new While(CheckExpression(statement.Condition, new NubBoolType()), CheckBlock(statement.Body));
     }
 
     private Expression CheckExpression(ExpressionSyntax node, NubType? expectedType = null)
@@ -252,12 +252,12 @@ public sealed class TypeChecker
     {
         var boundArray = CheckExpression(expression.Target);
         var elementType = ((NubArrayType)boundArray.Type).ElementType;
-        return new ArrayIndexAccess(elementType, boundArray, CheckExpression(expression.Index, new NubPrimitiveType(PrimitiveTypeKind.U64)));
+        return new ArrayIndexAccess(elementType, boundArray, CheckExpression(expression.Index, new NubIntType(false, 64)));
     }
 
     private ArrayInitializer CheckArrayInitializer(ArrayInitializerSyntax expression)
     {
-        var capacity = CheckExpression(expression.Capacity, new NubPrimitiveType(PrimitiveTypeKind.U64));
+        var capacity = CheckExpression(expression.Capacity, new NubIntType(false, 64));
         var type = new NubArrayType(CheckType(expression.ElementType));
         return new ArrayInitializer(type, capacity, CheckType(expression.ElementType));
     }
@@ -346,10 +346,10 @@ public sealed class TypeChecker
     {
         var type = expectedType ?? expression.Kind switch
         {
-            LiteralKind.Integer => new NubPrimitiveType(PrimitiveTypeKind.I64),
+            LiteralKind.Integer => new NubIntType(true, 64),
-            LiteralKind.Float => new NubPrimitiveType(PrimitiveTypeKind.F64),
+            LiteralKind.Float => new NubFloatType(64),
             LiteralKind.String => new NubStringType(),
-            LiteralKind.Bool => new NubPrimitiveType(PrimitiveTypeKind.Bool),
+            LiteralKind.Bool => new NubBoolType(),
             _ => throw new ArgumentOutOfRangeException()
         };
 
@@ -472,9 +472,9 @@ public sealed class TypeChecker
         {
             case UnaryOperatorSyntax.Negate:
             {
-                boundOperand = CheckExpression(expression.Operand, new NubPrimitiveType(PrimitiveTypeKind.I64));
+                boundOperand = CheckExpression(expression.Operand, new NubIntType(true, 64));
 
-                if (boundOperand.Type.IsNumber)
+                if (boundOperand.Type is NubIntType or NubFloatType)
                 {
                     type = boundOperand.Type;
                 }
@@ -483,9 +483,9 @@ public sealed class TypeChecker
             }
             case UnaryOperatorSyntax.Invert:
             {
-                boundOperand = CheckExpression(expression.Operand, new NubPrimitiveType(PrimitiveTypeKind.Bool));
+                boundOperand = CheckExpression(expression.Operand, new NubBoolType());
 
-                type = new NubPrimitiveType(PrimitiveTypeKind.Bool);
+                type = new NubBoolType();
                 break;
             }
         }
@@ -574,25 +574,13 @@ public sealed class TypeChecker
         return node switch
         {
             ArrayTypeSyntax type => new NubArrayType(CheckType(type.BaseType)),
+            BoolTypeSyntax => new NubBoolType(),
             CStringTypeSyntax => new NubCStringType(),
             CustomTypeSyntax type => new NubCustomType(type.MangledName()),
+            FloatTypeSyntax @float => new NubFloatType(@float.Width),
             FuncTypeSyntax type => new NubFuncType(type.Parameters.Select(CheckType).ToList(), CheckType(type.ReturnType)),
+            IntTypeSyntax @int => new NubIntType(@int.Signed, @int.Width),
             PointerTypeSyntax type => new NubPointerType(CheckType(type.BaseType)),
-            PrimitiveTypeSyntax type => new NubPrimitiveType(type.SyntaxKind switch
-            {
-                PrimitiveTypeSyntaxKind.I64 => PrimitiveTypeKind.I64,
-                PrimitiveTypeSyntaxKind.I32 => PrimitiveTypeKind.I32,
-                PrimitiveTypeSyntaxKind.I16 => PrimitiveTypeKind.I16,
-                PrimitiveTypeSyntaxKind.I8 => PrimitiveTypeKind.I8,
-                PrimitiveTypeSyntaxKind.U64 => PrimitiveTypeKind.U64,
-                PrimitiveTypeSyntaxKind.U32 => PrimitiveTypeKind.U32,
-                PrimitiveTypeSyntaxKind.U16 => PrimitiveTypeKind.U16,
-                PrimitiveTypeSyntaxKind.U8 => PrimitiveTypeKind.U8,
-                PrimitiveTypeSyntaxKind.F64 => PrimitiveTypeKind.F64,
-                PrimitiveTypeSyntaxKind.F32 => PrimitiveTypeKind.F32,
-                PrimitiveTypeSyntaxKind.Bool => PrimitiveTypeKind.Bool,
-                _ => throw new ArgumentOutOfRangeException()
-            }),
             StringTypeSyntax => new NubStringType(),
             VoidTypeSyntax => new NubVoidType(),
             _ => throw new ArgumentOutOfRangeException(nameof(node))