Radish, Keep Going!
Feb 20, 2025 · Backend Development
Why Go Replaces runtime.SetFinalizer with runtime.AddCleanup and How to Use It
This article explains that Go plans to deprecate runtime.SetFinalizer in favor of the newer runtime.AddCleanup, demonstrates how to use SetFinalizer for resource cleanup before garbage collection, highlights common pitfalls such as extended lifetimes and memory leaks, and shows real‑world examples from the standard library and go‑cache.
AddCleanupGarbage CollectionGo
0 likes · 6 min read