[ruby-core:122816] [Ruby Bug#20776] [PRISM] Pattern matching syntax error message
From:
"tenderlovemaking (Aaron Patterson) via ruby-core" <ruby-core@...>
Date:
2025-07-18 17:43:52 UTC
List:
ruby-core #122816
Issue #20776 has been updated by tenderlovemaking (Aaron Patterson).
Status changed from Assigned to Feedback
@nobu are you satisfied with @kddnewton's response? I'm not sure what we need to do to close this issue.
Thanks.
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Bug #20776: [PRISM] Pattern matching syntax error message
https://bugs.ruby-lang.org/issues/20776#change-114103
* Author: nobu (Nobuyoshi Nakada)
* Status: Feedback
* Assignee: prism
* Backport: 3.1: DONTNEED, 3.2: DONTNEED, 3.3: UNKNOWN
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Syntax error is fine, but is really expecting end-of-input there?
```
$ ruby -v -e '1 => $g'
ruby 3.4.0dev (2024-10-01T14:59:58Z master 169a5ee99e) +PRISM [arm64-darwin23]
-e:1: warning: possibly useless use of a variable in void context
-e: -e:1: syntax errors found (SyntaxError)
> 1 | 1 => $g
| ^~ unexpected global variable, expecting end-of-input
| ^~ expected a pattern expression after `=>`
2 |
```
And the line 2 is **not** in the input.
--
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