Added in keyword.

Author: Oren (electricessence)

Open.Numeric.csproj

@@ -18,7 +18,7 @@
 		<PackageProjectUrl>https://github.com/electricessence/Open.Numeric/</PackageProjectUrl>
 		<RepositoryType>git</RepositoryType>
 		<PackageTags>dotnet, dotnetcore, cs, numbers, double, float, precision, extensions</PackageTags>
-		<Version>2.1.1</Version>
+		<Version>2.1.2</Version>
 		<PackageReleaseNotes>Added .NET Standard 2.1 support.</PackageReleaseNotes>
 		<PackageLicenseExpression>MIT</PackageLicenseExpression>
 		<Nullable>enable</Nullable>

ProcedureResults.cs

@@ -21,7 +21,7 @@ protected ProcedureResults()
 			Average = ImmutableArray<double>.Empty;
 		}
 
-		public ProcedureResults(ImmutableArray<double> sum, int count)
+		public ProcedureResults(in ImmutableArray<double> sum, int count)
 		{
 			Sum = sum;
 			Count = count;