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What is IcedTasks?

This library contains additional computation expressions for the task CE utilizing the Resumable Code introduced in F# 6.0.

• ValueTask<'T> - This utilizes .NET's ValueTask (which is essentially a Discriminated Union of 'Value | Task<'Value>) for possibly better performance in synchronous scenarios. Similar to F#'s Task Expression

• ColdTask<'T> - Alias for unit -> Task<'T>. Allows for lazy evaluation (also known as Cold) of the tasks, similar to F#'s Async being cold.

• CancellableTask<'T> - Alias for CancellationToken -> Task<'T>. Allows for lazy evaluation (also known as Cold) of the tasks, similar to F#'s Async being cold. Additionally, allows for flowing a CancellationToken through the computation, similar to F#'s Async cancellation support.

• CancellableValueTask<'T> - Alias for CancellationToken -> ValueTask<'T>. Allows for lazy evaluation (also known as Cold) of the tasks, similar to F#'s Async being cold. Additionally, allows for flowing a CancellationToken through the computation, similar to F#'s Async cancellation support.

• ParallelAsync<'T> - Utilizes the applicative syntax to allow parallel execution of Async<'T> expressions. See this discussion as to why this is a separate computation expression.

Why should I use IcedTasks?

For ValueTasks

• F# doesn't currently have a valueTask computation expression. Until this PR is merged.

For Cold & CancellableTasks

• You want control over when your tasks are started
• You want to be able to re-run these executable tasks
• You don't want to pollute your methods/functions with extra CancellationToken parameters
• You want the computation to handle checking cancellation before every bind.

How do I get started

dotnet add nuget IcedTasks

Who are the maintainers of the project

• @TheAngryByrd