StObjectOps

Make a copy of this object with all the members from other (the latter takes preference).

Corresponds to:

const foo = {...bar}

Note that it's meant to be used with "plain" objects, some notion of class-ness may be lost

Make a copy of this object.

Corresponds to:

const foo = {...bar}

Note that it's meant to be used with "plain" objects, some notion of class-ness may be lost

Mutate the current object and set an arbitrary member on it.

This is after all allowed in Javascript, and in ScalablyTyped it forms the basis of the mutable builder encoding.