faster number check

Qrakhen.Qamp.Core/Compilation/Digester.cs

@@ -559,6 +559,7 @@ public class Digester : ISteppable<Token>
 
     internal long IdentifierConstant(string? name)
     {
+        _logger.Method(name);
         return MakeConstant(String.Make(name ?? 
                                         throw new TokenException("Empty string value for identifier detected", _reader, Current)));
     }

Qrakhen.Qamp.Core/Logging/ILogger.cs

@@ -1,6 +1,5 @@
 using System.Diagnostics;
 using System.Runtime.CompilerServices;
-using System.Xml.XPath;
 
 namespace Qrakhen.Qamp.Core.Logging;
 

Qrakhen.Qamp.Core/Values/Value.cs

@@ -47,7 +47,7 @@ public readonly struct Value : IValue, ISerialize<Value>, IDebug<string>
 
     public T ValueType => Type;
 
-    public bool IsNumber => IsSigned || IsUnsigned || IsDecimal;
+    public bool IsNumber => Type <= T.Decimal;
     public bool IsSigned => Is(T.Signed);
     public bool IsUnsigned => Is(T.Unsigned);
     public bool IsDecimal => Is(T.Decimal);
@@ -93,6 +93,11 @@ public readonly struct Value : IValue, ISerialize<Value>, IDebug<string>
         return new Value();
     }
 
+    public void __gcMark()
+    {
+        if (IsObj && Ptr.Value != null) { }
+    }
+  
     public override bool Equals([NotNullWhen(true)] object? obj)
     {
         return obj switch { 

Qrakhen.Qamp.Core/Values/ValueType.cs

@@ -11,8 +11,8 @@ public enum ValueType
     Void      = 0x0000,
     Unsigned  = 0x0001,
     Signed    = 0x0002,
-    Char      = 0x0004,
+    Decimal   = 0x0004,
-    Decimal   = 0x0008,
+    Char      = 0x0008,
     Bool      = 0x0010,
 
     Number    = Unsigned | Signed | Decimal,