NOTE: the latest version is 22.0.2

Formerly Morgan-Stanley/morphir-elm. Search finds this package by either name.

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Morphir.SDK.StatefulApp

API for modeling stateful applications.

type StatefulApp k c s e

= StatefulApp (Maybe s -> c -> ( Maybe s, e ))

Type that represents a stateful application. The following type parameters allow you to fit it to your use case:

k - Key that's used to partition commands, events and state.
c - Type that defines all the commands accepted by the application.
s - Type that defines the state managed by the application.
e - Type that defines all the events published by the application.