Class Optional

Provides static utilities for Optional.

Inheritance

System.Object

Optional

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Maki

Assembly: Maki.dll

Syntax

public static class Optional

Examples

The following example shows how to use the Optional utilities for more expressive optional initialization.

Optional<int> optional = Optional.Make(42);
// equivalent of calling new Optional<int>(42)

Optional<int> empty = Optional.Nothing;
// equivalent of calling new Optional<int>()

Fields

Nothing

Represents an empty Optional. Any empty optional stores a Unit.

Declaration

public static Unit Nothing

Field Value

Type	Description
Unit

Methods

Make<T>(T)

Creates an Optional containing the given item.

Declaration

public static Optional<T> Make<T>(T item)

Parameters

Type	Name	Description
T	item	Item to place in the Optional.

Returns

Type	Description
Optional<T>	A new Optional containing an item of T.

Type Parameters

Name	Description
T	Item type.