Merge IEquatableQuantity into IQuantity<TSelf, Unit, ValueType> interface

Author: angularsen

CodeGen/Generators/UnitsNetGen/QuantityGenerator.cs

@@ -75,7 +75,6 @@ namespace UnitsNet
         IComparable<{_quantity.Name}>,
         IConvertible,
         IEquatable<{_quantity.Name}>,
-        IEquatableQuantity<{_quantity.Name}, {_quantity.ValueType}>,
         IFormattable");
 
             Writer.WL($@"

UnitsNet.Tests/QuantityTests.cs

@@ -22,24 +22,25 @@ public void GetHashCodeForDifferentQuantitiesWithSameValuesAreNotEqual()
         [InlineData("10 m", "9.89 m" , ComparisonType.Absolute, 0.1, false)] // +/- 0.1m absolute tolerance and some additional margin tolerate rounding errors in test case.
         [InlineData("10 m", "9.91 m" , ComparisonType.Absolute, 0.1, true)]
         [InlineData("10 m", "10.09 m", ComparisonType.Absolute, 0.1, true)]
+        [InlineData("10 m", "1009 cm", ComparisonType.Absolute, 0.1, true)]  // Different unit, still equal.
         [InlineData("10 m", "10.11 m", ComparisonType.Absolute, 0.1, false)]
         [InlineData("10 m", "8.9 m"  , ComparisonType.Absolute, 0.1, false)] // +/- 1m relative tolerance (10%) and some additional margin tolerate rounding errors in test case.
         [InlineData("10 m", "9.1 m"  , ComparisonType.Relative, 0.1, true)]
         [InlineData("10 m", "10.9 m" , ComparisonType.Relative, 0.1, true)]
         [InlineData("10 m", "11.1 m" , ComparisonType.Relative, 0.1, false)]
         public void Equals_IEquatableQuantity(string q1String, string q2String, ComparisonType comparisonType, double tolerance, bool expectedEqual)
         {
-            IEquatableQuantity<Length, double> q1 = Length.Parse(q1String, CultureInfo.InvariantCulture);
-            var q2 = Length.Parse(q2String, CultureInfo.InvariantCulture);
+            IQuantity<Length, LengthUnit, double> q1 = Length.Parse(q1String, CultureInfo.InvariantCulture);
+            IQuantity<Length, LengthUnit, double> q2 = Length.Parse(q2String, CultureInfo.InvariantCulture);
 
-            Assert.NotStrictEqual(q1, q2); // Strict equality should not be equal.
             Assert.Equal(expectedEqual, q1.Equals(q2, tolerance, comparisonType));
         }
 
         [Theory]
         [InlineData("10 m", "9.89 m" , ComparisonType.Absolute, 0.1, false)] // +/- 0.1m absolute tolerance and some additional margin tolerate rounding errors in test case.
         [InlineData("10 m", "9.91 m" , ComparisonType.Absolute, 0.1, true)]
         [InlineData("10 m", "10.09 m", ComparisonType.Absolute, 0.1, true)]
+        [InlineData("10 m", "1009 cm", ComparisonType.Absolute, 0.1, true)]  // Different unit, still equal.
         [InlineData("10 m", "10.11 m", ComparisonType.Absolute, 0.1, false)]
         [InlineData("10 m", "8.9 m"  , ComparisonType.Absolute, 0.1, false)] // +/- 1m relative tolerance (10%) and some additional margin tolerate rounding errors in test case.
         [InlineData("10 m", "9.1 m"  , ComparisonType.Relative, 0.1, true)]