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README.md

MessagePack.FSharpExtensions

NuGet Status

MessagePack.FSharpExtensions is a MessagePack-CSharp extension library for F#.

Usage

open System
open System.Buffers
open MessagePack
open MessagePack.Resolvers
open MessagePack.FSharp

[<MessagePackObject>]
type UnionSample =
  | Foo of XYZ : int
  | Bar of OPQ : string list

let convertAsMemory<'T> options (value: 'T) =
  let memory = ReadOnlyMemory(MessagePackSerializer.Serialize(value, options))
  MessagePackSerializer.Deserialize<'T>(memory, options)

let convertAsSequence<'T> options (value: 'T) =
  let sequence = ReadOnlySequence(MessagePackSerializer.Serialize(value, options))
  MessagePackSerializer.Deserialize<'T>(& sequence, options)

let dump = function
| Foo x ->
  printfn "%d" x
| Bar xs ->
  printfn "%A" xs

let resolver =
  Resolvers.CompositeResolver.Create(
    FSharpResolver.Instance,
    StandardResolver.Instance
)

let options = MessagePackSerializerOptions.Standard.WithResolver(resolver)

Foo 999
|> convertAsMemory options
|> dump

Bar ["example"]
|> convertAsSequence options
|> dump

Supported types

  • option
  • voption
  • list
  • map
  • set
  • Discriminated Union
  • Struct Discriminated Union

Records, Struct Records and Anonymous Records are serialized and deserialized using DynamicObjectResolver in MessagePack-CSharp.

About

MessagePack Extensions for F#. / msgpack.org[F#]

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