Merge pull request #63 from Ted-Jin-Lab/development

✨Change the quantity to the property thing.

Author: Ted-Jin-Lab

Directory.Build.props

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
   <PropertyGroup>
-    <Version>2025.11.20.1</Version>
+    <Version>2025.11.20.2</Version>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <LangVersion>preview</LangVersion>

src/analyzers/TedToolkit.Quantities.Analyzer/QuantityStructGenerator.cs

@@ -196,15 +196,15 @@ public void GenerateCode(SourceProductionContext context)
                                 LiteralExpression(SyntaxKind.NumericLiteralExpression, Literal(1)))))
                             .WithSemicolonToken(Token(SyntaxKind.SemicolonToken)),
 
-                        FieldDeclaration(
-                                VariableDeclaration(IdentifierName(typeName.FullName))
-                                    .WithVariables(
-                                    [
-                                        VariableDeclarator(Identifier("Value"))
-                                    ]))
-                            .WithModifiers(TokenList(Token(SyntaxKind.PublicKeyword),
-                                Token(SyntaxKind.ReadOnlyKeyword)))
-                            .WithAttributeLists([GeneratedCodeAttribute(typeof(QuantityStructGenerator))]),
+                        PropertyDeclaration(IdentifierName(typeName.FullName), Identifier("Value"))
+                            .WithModifiers(TokenList(Token(SyntaxKind.PublicKeyword)))
+                            .WithAttributeLists([GeneratedCodeAttribute(typeof(QuantityStructGenerator))])
+                            .WithXmlCommentInheritDoc((string?)null)
+                            .WithAccessorList(AccessorList(
+                            [
+                                AccessorDeclaration(SyntaxKind.GetAccessorDeclaration)
+                                    .WithSemicolonToken(Token(SyntaxKind.SemicolonToken))
+                            ])),
 
                         ConstructorDeclaration(Identifier(quantity.Name))
                             .WithModifiers(TokenList(Token(quantity.IsNoDimensions
@@ -462,7 +462,7 @@ public void GenerateCode(SourceProductionContext context)
                             .WithSemicolonToken(Token(SyntaxKind.SemicolonToken)),
 
                         ConversionOperatorDeclaration(
-                                Token(quantitySymbol?.GetAttributes().Any(a => a.AttributeClass?.GetName().FullName 
+                                Token(quantitySymbol?.GetAttributes().Any(a => a.AttributeClass?.GetName().FullName
                                     is "global::TedToolkit.Quantities.QuantityImplicitFromValueTypeAttribute") ?? false
                                     ? SyntaxKind.ImplicitKeyword
                                     : SyntaxKind.ExplicitKeyword),

src/libraries/TedToolkit.Quantities/IQuantity.cs

@@ -5,9 +5,15 @@
 /// </summary>
 /// <typeparam name="TQuantity"></typeparam>
 /// <typeparam name="TValue"></typeparam>
-public interface IQuantity<TQuantity, TValue> : IQuantity<TQuantity>
+public interface IQuantity<TQuantity, out TValue> : IQuantity<TQuantity>
     where TValue : struct, IConvertible
-    where TQuantity : IQuantity<TQuantity, TValue>;
+    where TQuantity : IQuantity<TQuantity, TValue>
+{
+    /// <summary>
+    /// The Value. In the most case, you don't need it.
+    /// </summary>
+    TValue Value { get; }
+}
 
 /// <summary>
 /// Quantity