From: "mame (Yusuke Endoh)" <noreply@...>
Date: 2022-09-28T11:01:43+00:00
Subject: [ruby-core:110120] [Ruby master Bug#19026] Add `Coverage.supported?(x)` to detect support for `eval` coverage flag.

Issue #19026 has been updated by mame (Yusuke Endoh).


Note: This API does determine if the mode is *available*, not *enabled*. So `Coverage.supported?(:eval)` will always returns `true` in Ruby 3.2 regardless of whether `Coverage.start(eval: true)` is called.

In my first impression, it is okay, but I'd like to hear opinions. @jeremyevans0 Do you have any opinion?

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Bug #19026: Add `Coverage.supported?(x)` to detect support for `eval` coverage flag.
https://bugs.ruby-lang.org/issues/19026#change-99377

* Author: ioquatix (Samuel Williams)
* Status: Open
* Priority: Normal
* Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN
----------------------------------------
Introduce the following interface:

```
Coverage.supported?(eval) -> true/false
```

We can also check `lines` `branches` and `methods`?



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