Devel:...ngPtrs(3pm)

πŸ’– Devel::MAT::Tool::ListDanglingPtrs β€” the dangling pointers girlie πŸ’–

okay so bestie, this is a Devel::MAT tool, it lives in the User Contributed Perl Documentation corner of your man pages (that's your section 3pm energy πŸŽ€), and it does exactly one iconic thing: it hunts down dangling pointers for you. no cap.


✨ NAME ✨

Devel::MAT::Tool::ListDanglingPtrs β€” display a list of SV pointer fields that do not point at known SVs πŸ¦‹


🌸 DESCRIPTION 🌸

So like. This Devel::MAT tool shows you a whole list of fields from SVs that are known, right β€” but those fields hold non-NULL addresses, and those addresses do not point to any other known SV. 😭

Those little gremlins are what we call "dangling pointers". it's giving "this pointer said it knew a guy and the guy does not exist." πŸ’€


πŸ‘‘ COMMANDS πŸ‘‘

🧚 list-dangling-ptrs

pmat> list-dangling-ptrs
CODE(proto) at 0x55b9d83ae3d8 has no constval SV at addr 0x55b9d83963f0
...

It prints a list of fields in SVs which do not point at other valid SVs. that's the whole vibe. slay. πŸ’…


🫢 AUTHOR 🫢

Paul Evans <leonerd@leonerd.org.uk> β€” yes legend behaviour, we stan ⭐


fr fr, this page is perl v5.42.3, dated 2026-08-21, and it's the Devel:...ngPtrs(3pm) one β€” so if you were looking for the other dangling thing, wrong tab bestie, but this one ate and left no crumbs πŸ”₯🌈
πŸ“¦ where this page comes from