From: "chucke (Tiago Cardoso)" <noreply@...>
Date: 2022-07-15T22:07:10+00:00
Subject: [ruby-core:109226] [Ruby master Bug#18919] Ractor: can't share method-to-proc objects

Issue #18919 has been reported by chucke (Tiago Cardoso).

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Bug #18919: Ractor: can't share method-to-proc objects
https://bugs.ruby-lang.org/issues/18919

* Author: chucke (Tiago Cardoso)
* Status: Open
* Priority: Normal
* Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN
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The following is not shareable:

```ruby
> meth = ::Kernel.method(:BigDecimal)
=> #<Method: Kernel.BigDecimal(*)>
<internal:ractor>:816:in `make_shareable': can not make shareable object for #<Method: Kernel.BigDecimal(*)> (Ractor::Error)
```

I understand that procs have the issue of accessing outer-scope variables, but does the same apply to methods converted to procs?



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