Merge pull request #13 from synercoder/features/zero-value-property

Added zero value property + release notes

Author: synercoder

src/Synercoding.Primitives/PackageDetails.props

@@ -10,12 +10,7 @@
     <Product>Synercoding.Primitives</Product>
     <Title>Synercoding.Primitives</Title>
     <Description>Primitives with types attached (think mm, cm, in, px) that can be used for 2D graphics.</Description>
-    <PackageReleaseNotes>- Removed implicit double conversion, to easy to make a mistake with the wrong unit type
-- Added equality and inequality operators to all structs
-- Added multiple target-frameworks
-- Added multiplication operator for Value on other side
-- Renamed UnitValue to Value
-- Fixed a few nullability warnings</PackageReleaseNotes>
+    <PackageReleaseNotes>- Added Value.Zero</PackageReleaseNotes>
   </PropertyGroup>
 
 </Project>

src/Synercoding.Primitives/Value.cs

@@ -81,6 +81,11 @@ public override bool Equals(object? obj)
         public bool Equals(Value other) 
             => CompareTo(other) == 0;
 
+        /// <summary>
+        /// Represents a value of zero
+        /// </summary>
+        public static Value Zero => new Value(0, Unit.Inches);
+
         /// <summary>
         ///  Returns a value that indicates whether two specified <see cref="Value"/> values are equal.
         /// </summary>