Struct Optional<T>

Namespace

Rinku

Assembly

Rinku.dll

Reads one reference value or reports that no row was returned. A present NULL still throws. Use OptionalNullable<T> to accept it.

public readonly struct Optional<T> : IWrapping<Optional<T>, T> where T : class

Type Parameters

T

Implements

IWrapping<Optional<T>, T>

Inherited Members

ValueType.Equals(object)

ValueType.GetHashCode()

ValueType.ToString()

object.Equals(object, object)

object.GetType()

object.ReferenceEquals(object, object)

Extension Methods

Caster.Parse<T>(object?)

Constructors

Optional(T)

Reads one reference value or reports that no row was returned. A present NULL still throws. Use OptionalNullable<T> to accept it.

public Optional(T value)

Parameters

value T

Fields

Value

The value, or null when there was no row.

[MaybeNull]
public readonly T? Value

Field Value

T

Properties

HasValue

Whether a row was read.

public bool HasValue { get; }

Property Value

bool

Methods

Make(T)

Creates the wrapper from a value returned by a query.

public static Optional<T> Make(T val)

Parameters

val T

Returns

Optional<T>

Operators

implicit operator T?(Optional<T>)

public static implicit operator T?(Optional<T> val)

Parameters

val Optional<T>

Returns

T

implicit operator Optional<T>(T?)

public static implicit operator Optional<T>(T? val)

Parameters

val T

Returns

Optional<T>