Proposal: Adding additional languages support

.editorconfig

@@ -0,0 +1,15 @@
+# See: https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/style-rules/formatting-rules
+
+[*.cs]
+indent_style=tab
+indent_size=tab
+tab_width=4
+
+[*.{appxmanifest,axml,build,config,csproj,dbml,discomap,dtd,json,jsproj,lsproj,njsproj,nuspec,proj,props,resjson,resw,resx,StyleCop,targets,tasks,vbproj,xml,xsd}]
+indent_style=space
+indent_size=2
+tab_width=2
+
+[*.cs]
+csharp_prefer_braces = true
+csharp_new_line_before_open_brace = methods, properties, control_blocks, types

LunrCore.sln

@@ -9,6 +9,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LunrCoreTests", "LunrCoreTe
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Metadata", "Metadata", "{333885CB-3ADF-4462-8910-27A16B6C5F55}"
 	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
 		CODE_OF_CONDUCT.md = CODE_OF_CONDUCT.md
 		LICENSE = LICENSE
 		README.md = README.md
@@ -20,7 +21,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LunrCoreLmdb", "LunrCoreLmd
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LunrCoreLmdbTests", "LunrCoreLmdbTests\LunrCoreLmdbTests.csproj", "{2EF25270-1D0D-4450-ADBB-BCFD08FB9BB6}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LunrCoreLmdbPerf", "LunrCoreLmdbPerf\LunrCoreLmdbPerf.csproj", "{41BB51FD-462C-4AAB-9B4D-127FD784B566}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LunrCoreLmdbPerf", "LunrCoreLmdbPerf\LunrCoreLmdbPerf.csproj", "{41BB51FD-462C-4AAB-9B4D-127FD784B566}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

LunrCore/Globalization/Among.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Linq;
+
+namespace Lunr.Globalization
+{
+	public readonly struct Among : IEquatable<Among>
+	{
+		public int Size { get; }
+		public char[] StringArray { get; }
+		public int Result { get; }
+		public Func<bool>? Method { get; }
+		public int Substring { get; }
+
+		public Among(string s, int substring, int result, Func<bool> method = default!)
+		{
+			if (s == null)
+			{
+				throw new ArgumentNullException(nameof(s));
+			}
+
+			Size = s.Length;
+			StringArray = s.ToCharArray();
+			Substring = substring;
+			Result = result;
+			Method = method;
+		}
+
+		public bool Equals(Among other)
+		{
+			return Size == other.Size &&
+			       StringArray.SequenceEqual(other.StringArray) &&
+			       Result == other.Result &&
+			       Method == other.Method &&
+			       Substring == other.Substring;
+		}
+
+		public override bool Equals(object? obj)
+		{
+			return obj is Among other && Equals(other);
+		}
+
+		public override int GetHashCode()
+		{
+			return (Size, StringArray, Result, Method, Substring).GetHashCode();
+		}
+
+		public static bool operator ==(Among left, Among right)
+		{
+			return left.Equals(right);
+		}
+
+		public static bool operator !=(Among left, Among right)
+		{
+			return !left.Equals(right);
+		}
+	}
+}