Dvchevskii.Optional.EntityFrameworkCore 1.1.0

.NET 8.0
There is a newer version of this package available.
See the version list below for details. 
dotnet add package Dvchevskii.Optional.EntityFrameworkCore --version 1.1.0
NuGet\Install-Package Dvchevskii.Optional.EntityFrameworkCore -Version 1.1.0
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="Dvchevskii.Optional.EntityFrameworkCore" Version="1.1.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
paket add Dvchevskii.Optional.EntityFrameworkCore --version 1.1.0
#r "nuget: Dvchevskii.Optional.EntityFrameworkCore, 1.1.0"
#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 Dvchevskii.Optional.EntityFrameworkCore as a Cake Addin
#addin nuget:?package=Dvchevskii.Optional.EntityFrameworkCore&version=1.1.0

// Install Dvchevskii.Optional.EntityFrameworkCore as a Cake Tool
#tool nuget:?package=Dvchevskii.Optional.EntityFrameworkCore&version=1.1.0

Dvchevskii.Option

Provides utility type Option<T> for optional value handling

Installation

Package manager console

Install-Package Dvchevskii.Optional

.NET CLI

dotnet add package Dvchevskii.Optional

Usage

Create an Option<T> from T value


Option<int> option = Option.Some(42);
Assert.IsTrue(option.IsSome());

Create an empty Option<T>


Option<int> option = Option.None<int>();
Assert.IsTrue(option.IsNone());

Mapping


string MapOption(Option<int> option)
{
  return option.MapOrElse(
    value => $"I have value: {value}",
    () => "I have no value =("
  );
}

Assert.AreEqual(
  MapOption(Option.Some(42)),
  "I have value: 42"
);

Assert.AreEqual(
  MapOption(Option.None<int>()),
  "I have no value =("
);

Pattern matching


int PatternMatchOption<T>(Option<T> option) =>
  option switch {
    ISome => 42,
    INone => 69
  };

bool IsOptionSome<T>(Option<T> option) => option is ISome;
Product Compatible and additional computed target framework versions.
.NET net8.0 is compatible.  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. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

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
1.1.1 10 5/3/2024
1.1.0 80 4/25/2024
1.1.0-ef-core.2 60 3/16/2024
1.1.0-async.2 45 3/15/2024

https://github.com/2chevskii/optional/releases/tag/v1.1.0