Go: From unique to cleanups and weak: new low-level tools for efficiency

[NewsBot]

A new Go blog post/announcement has been posted!

<div class="Article" data-slug="/blog/cleanups-and-weak">

<h1 class="small"><a href="/blog/">The Go Blog</a></h1>


<h1>From unique to cleanups and weak: new low-level tools for efficiency</h1>
  
  <p class="author">
  Michael Knyszek<br>
  6 March 2025
  </p>
  
  <p>In <a href="/blog/unique">last year&rsquo;s blog post</a> about the <code>unique</code> package, we alluded

to some new features then in proposal review, and we’re excited to share that as
of Go 1.24 they are now available to all Go developers.
These new features are the runtime.AddCleanup
function, which queues up a function to
run when an object is no longer reachable, and the weak.Pointer
type, which safely points to a…

Get the full details here: From unique to cleanups and weak: new low-level tools for efficiency - The Go Programming Language