Limitted String for .NET

LimittedStringExtensions.cs

namespace Sample {
  public static class LimittedStringExtensions {
    public string LimmitedString(this string inSelf, int inMaxLen) {
      if (inSelf.Length > inMaxLen) {
        throw new Exception("長すぎwwwワロタwww");
      }
      
      return inSelf;
    }
  }
}