Ref conversions about objc HOT 2 CLOSED

const objc = require('objc');
const ffi = require('ffi');
const Struct = require('ref-struct');

const CGSize = Struct({
  width : 'double',
  height: 'double'
});

const c = new ffi.Library(null, {
  NSStringFromSize: ['pointer', [CGSize]]
});

let size = new CGSize();
size.width = 1.23;
size.height = 2.46;

console.log(objc.wrap(c.NSStringFromSize(size)));
// -> '[objc.InstanceProxy {1.23, 2.46}]'