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thomasklemm (Thomas Klemm)

  • Login: thomasklemm
  • Registered on: 10/21/2026
  • Last sign in: 10/22/2026

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10/21/2026

05:49 PM Ruby Feature #22459: Scoped method-assumption validity tokens (RubyVM.method_token)
Thank you, that is a fair question. My list of possible users was too broad. Here is the concrete case.
### What I want to do
[Lowrail](https://github.com/thomasklemm/lowrail) is an experimental specializer for Rails apps. It boots...
thomasklemm (Thomas Klemm)
03:32 PM Ruby Feature #22459: Scoped method-assumption validity tokens (RubyVM.method_token)
Description updated: review found a reproducible `Cannot malloc during GC` in the token registry lifecycle; [a30db2f](https://github.com/thomasklemm/ruby/commit/a30db2f20843940c089bd8247135a7c7cd475ca5) fixes existing-head updates and re... thomasklemm (Thomas Klemm)
11:46 AM Ruby Feature #22459 (Open): Scoped method-assumption validity tokens (RubyVM.method_token)
Would MRI consider an API for subscribing to a method-lookup assumption and
cheaply checking whether it remains valid? The intended shape is scoped to
`(class, method name)`, using existing callable-method-entry (CME) invalidation,
no...
thomasklemm (Thomas Klemm)

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