https://github.com/mnie/optiontype

Implementation of Option in C#.
https://github.com/mnie/optiontype

Last synced: 2 days ago
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Implementation of Option in C#.

• Host: GitHub
• URL: https://github.com/mnie/optiontype
• Owner: MNie
• License: mit
• Created: 2018-08-16T19:38:45.000Z (about 6 years ago)
• Default Branch: master
• Last Pushed: 2020-07-03T05:41:45.000Z (over 4 years ago)
• Last Synced: 2024-10-06T22:19:08.012Z (about 1 month ago)
• Language: C#
• Size: 17.6 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# OptionType & OptionType.Validation

* NuGet Status

    |   | OptionType | OptionType.Validation |

    |---|---|---|

    | nuget | [![NuGet](https://buildstats.info/nuget/OptionType?includePreReleases=true)](https://www.nuget.org/packages/OptionType) | [![NuGet](https://buildstats.info/nuget/OptionType.Validation?includePreReleases=true)](https://www.nuget.org/packages/OptionType.Validation) |

* Build Status

    [![Build Status](https://travis-ci.org/MNie/OptionType.svg?branch=master)](https://travis-ci.org/MNie/OptionType)

# OptionType

OptionType implementation in C#

Could be downloaded from NuGet:

```Install-Package OptionType```

# usage 

- via Option static method:

```csharp

var result = Option.Some("on nie wiedzial");

var none = Option.None;

```

- via `Some` extension method:

```csharp

var anotherResult = "on nie wiedzial".Some();

```

- via `Some` extension method with predicate:

```csharp

var anotherResult = "on nie wiedzial".Some(x => !string.IsNullOrWhitespace(x));

```

- via `None` extension method with predicate:

```csharp

var anotherResult = "on nie wiedzial".None(x => !string.IsNullOrWhitespace(x));

```

- via implicit cast:

```csharp

Option anotherAnotherResult = "on nie wiedzial";

```

# How to check what `option` contains?

- via `IsSome` and `IsNone` properties on a `OptionType` object.

# OptionType.Validation

[OptionType.Validation](https://www.nuget.org/packages/OptionType.Validation/) package provides a simple Rule class to defines Rules which should apply to some objects and as a result returns OptionType.

Could be downloaded from NuGet:

```Install-Package OptionType.Validation```

example usage looks like this:

```csharp

var rules = new[]

{

    new Rule(() => "name".StartsWith("n"), "name"),

    new Rule(() => "dd".StartsWith("e"), "dd"),

    new Rule(() => "hh".StartsWith("a"), "hh"),

    new Rule(() => "hehe".StartsWith("h"), "hehe"),

};

var result = rules.Apply();

```