LiteX.Guard 2.0.0

dotnet add package LiteX.Guard --version 2.0.0
NuGet\Install-Package LiteX.Guard -Version 2.0.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="LiteX.Guard" Version="2.0.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add LiteX.Guard --version 2.0.0
#r "nuget: LiteX.Guard, 2.0.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install LiteX.Guard as a Cake Addin
#addin nuget:?package=LiteX.Guard&version=2.0.0

// Install LiteX.Guard as a Cake Tool
#tool nuget:?package=LiteX.Guard&version=2.0.0


LiteX.Guard is a simple guard clause argument validation library, that helps you with validation of your arguments.

Install Nuget package

Run the nuget command for installing the client as,

Install-Package LiteX.Guard

Supported Guard Clauses


  • Guard.NotNull (throws if input is null)
  • Guard.NotNullOrEmpty (throws if string input is null or empty)


  • Guard.InRange (throws if specified value is greater than or equal to a minimum value and less than)
  • Guard.LessThan (throws if specified value is less than a maximum value)
  • Guard.LessThanOrEqualTo (throws if specified value is less than or equal to a maximum value)
  • Guard.GreaterThan (throws if specified value is greater than a minimum value)
  • Guard.GreaterThanOrEqualTo (throws if specified value is greater than or equal to a minimum value)
  • Guard.NotOutOfLength (throws if specified value is out of the range)
  • Guard.IsPositive (throws if specified value is not positive)
  • Guard.NotNegative (throws if specified value is negative)
  • Guard.NotZero (throws if specified value is zero)
  • Guard.PagingArgsValid (throws if specified value is out of the page range)


  • Guard.IsEqual (throws if )
  • Guard.Against (throws if )
  • Guard.Cast (throws if )
  • Guard.IsTrue (throws if )
  • Guard.IsFalse (throws if )
  • Guard.GetParamName (throws if )


  • Guard.IsFunction (throws if )
  • Guard.IsEnumType (throws if )
  • Guard.InheritsFrom (throws if )
  • Guard.Implements (throws if )
  • Guard.IsSubclassOf (throws if )
  • Guard.IsTypeOf (throws if )
  • Guard.HasDefaultConstructor (throws if )


public class CustomerController : Controller
    public IActionResult AddCustomer(Customer customer)
        // class (custom type) guard
        Guard.NotNull(customer, nameof(customer));

        // property guard
        Guard.NotNullOrEmpty(customer.Username, nameof(customer.Username));

        // explicit message
        Guard.NotNullOrEmpty(customer.FirstName, nameof(customer.FirstName), "Firstname is required");

        // int range guard
        Guard.GreaterThanOrEqualTo(10, 50, nameof(customer.Age));

        // bool guard
        Guard.IsFalse(customer.IsActive, nameof(customer.IsActive));

        return Ok();

    public IActionResult FindCustomer(string username)
        Guard.NotNullOrEmpty(username, nameof(username));

        return Ok();

    public IActionResult GetCustomerByAge(int age)
        // int range guard
        Guard.GreaterThanOrEqualTo(10, 50, nameof(age));

        return Ok();

    public IActionResult GetActiveCustomers(bool isActive)
        // bool guard
        Guard.IsFalse(isActive, nameof(isActive));

        return Ok();

    public IActionResult AddCustomer<T>(T customer) where T : class
        // generic type guard
        Guard.NotNull<T>(customer, nameof(customer));

        return Ok();

    public IActionResult AddCustomers(List<Customer> customers)
        // list guard
        Guard.NotNull(customers, nameof(customers));

        return Ok();
Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.
  • .NETStandard 2.0

    • No dependencies.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last updated
2.0.0 16,581 6/24/2018
1.0.0 1,503 5/14/2018

1. new guard clauses support
     2. more customizable and extensive
     3. code re-factoring