Tracking Issue for `task::Waker::update`

[SabrinaJewson]

Feature gate: #![feature(waker_update)]

This is a tracking issue for task::Waker::update, a shortcut function for replacing a waker while avoiding unnecessary clones (via will_wake).

Public API

// core::task

impl Waker {
    pub fn update(&mut self, other: &Waker);
}

Steps / History

• Implementation: Override Waker::clone_from to avoid cloning Wakers unnecessarily #96979
• Final comment period (FCP)
• Stabilization PR

Unresolved Questions

• None yet.

[cuviper]

I think this is obsolete since #96979 switched to overriding clone_from.