ppx-properties

ppx for record in reasonml

Usage

[@deriving properties]
type my_typ = {
  foo: int,
  bar: string,
  nested: option(my_typ),
};

this will auto generate 1 type and 3 functions from the record type

type field('_) = 
  | Foo: field(int)
  | Bar: field(string)
  | Nested: field(option(my_type));
  
let get: (field('v), my_type) => 'v;

let set: (field('v), 'v my_type) => my_type;

let update: (field('v), 'v => 'v, my_type) => my_type;

Install

Install this github package by ssh:

1. Add your public key to this project's Deploy key.
2. yarn add -D ssh://[email protected]/Tsaitung/ppx-properties.git#v0.1.1
3. add ppx_properties/ppx to field 'ppx-flags' in your bsconfig.json

Credit

This project use GADT. The idea comes from Astrocoders/lenses-ppx