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Duck Typed Dereferencing!

Make the (!) operator even more useful by duck typing it. Simple and effective! 

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/// Duck typed dereferencing operator. Duck typing enables us to use it with
/// other types besides reference cells, for example, lazy values and options,
/// as well as any of your own types that implement the Value property.
let inline ( ! ) x = (^X : (member get_Value : unit -> _) (x))
val x : 'X (requires member get_Value)
type unit = Unit

Full name: Microsoft.FSharp.Core.unit
Raw view Test code New version

More information

Link:http://fssnip.net/nI
Posted:11 years ago
Author:Sami Perttu
Tags: operators , options , lazy values , reference cells

This web site is created using F# and Suave web server. It is hosted on Azure and the source code is on GitHub. Contributions are welcome!

The first version of fssnip.net has been created by @tomaspetricek back in 2010. This web site is a new, open-source and contribution-friendly version.