Method Where

Namespace

SodaFlow.Functional

Assembly

SodaFlow.Functional.dll

Where<T>(Task<Maybe<T>>, Func<T, bool>)

Keeps the value the task will give only if it satisfies a predicate.

public static Task<Maybe<T>> Where<T>(this Task<Maybe<T>> a, Func<T, bool> predicate)

Parameters

a Task<Maybe<T>>

The task giving the value to filter.

predicate Func<T, bool>

Run with the contained value when there is one.

Returns

Task<Maybe<T>>

A task giving the awaited value if it contained one which satisfied predicate, and a Maybe<T> containing no value otherwise.

Type Parameters

T

The type of the value, when there is one.