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[undefined.validity.union] dyn Trait raw pointer is subject to debate.. where's the debate?

Open Beginner friendly
#2,008 4 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
74/100
Issue type
Documentation
Clarity
Mostly clear
Activity status
Active
Tech stack
rust
Domain
documentation

Research direction

Search the Rust Reference for the undefined.validity.union section and read the surrounding discussion about raw-pointer metadata. Trace the referenced debate through the issue history or linked sources, then update the documentation with a useful pointer and concise context. Done means readers can find and understand the debate being referenced.

Written by the indexing model from the issue text.

Description

A-undefined-behavior

under undefined.validity.union:

dyn Trait metadata must be a pointer to a compiler-generated vtable for Trait
(For raw pointers, this requirement remains a subject of some debate.)

which debate? where? how? I'd like to read more.

Dominant language
Rust
Stars
1.6k
Forks
607
Avg merge
6h 47m
Merged PRs (30d)
14

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