Tiny mistake which is leading to potentially big memory/performance hit

[jormungand]

Knot/Knot/Classes/Knotable.swift

Line 74 in a15e4a2

let binder = Binder<State>.init(self, binding: { node, state in

Every time you call .stream the new binder object will be created despite the associated one already exists.
Probably it's better to wrap the Binder.init logic into a closure to pass further