'use strict';

let fastProto = null;

// Creates an object with permanently fast properties in V8. See Toon Verwaest's // post medium.com/@tverwaes/setting-up-prototypes-in-v8-ec9c9491dfe2#5f62 // for more details. Use %HasFastProperties(object) and the Node.js flag // –allow-natives-syntax to check whether an object has fast properties. function FastObject(o) {

// A prototype object will have "fast properties" enabled once it is checked
// against the inline property cache of a function, e.g. fastProto.property:
// https://github.com/v8/v8/blob/6.0.122/test/mjsunit/fast-prototype.js#L48-L63
if (fastProto !== null && typeof fastProto.property) {
        const result = fastProto;
        fastProto = FastObject.prototype = null;
        return result;
}
fastProto = FastObject.prototype = o == null ? Object.create(null) : o;
return new FastObject;

}

// Initialize the inline property cache of FastObject FastObject();

module.exports = function toFastproperties(o) {

return FastObject(o);

};