[#122973] [PATCH] Add Gem.default_install — Felipe Contreras via ruby-core <ruby-core@...>
We need a way to enable user installs by default so that tools like
3 messages
2025/08/17
[ruby-core:123086] [Ruby Bug#18878] parse.y: Foo::Bar {} is inconsistently rejected
From:
"yui-knk (Kaneko Yuichiro) via ruby-core" <ruby-core@...>
Date:
2025-08-27 14:38:31 UTC
List:
ruby-core #123086
Issue #18878 has been updated by yui-knk (Kaneko Yuichiro).
Do we also support `Foo::Bar do end` (and `Foo::Bar do end + 1`)?
With `ruby 3.5.0dev (2025-08-27T03:02:56Z master 5ff7b2c582)` both parse.y and prism have same behavior for do block cases like below.
```ruby
bar do end # method call
Bar do end # method call
bar() do end # method call
Bar() do end # method call
Foo::bar do end # method call
# Foo::Bar do end # SyntaxError
Foo::bar() do end # method call
Foo::Bar() do end # method call
```
----------------------------------------
Bug #18878: parse.y: Foo::Bar {} is inconsistently rejected
https://bugs.ruby-lang.org/issues/18878#change-114398
* Author: qnighy (Masaki Hara)
* Status: Assigned
* Assignee: ydah (Yudai Takada)
* ruby -v: ruby 3.1.2p20 (2022-04-12 revision 4491bb740a) [x86_64-linux]
* Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN
----------------------------------------
The following source doesn't parse:
```ruby
Foo::Bar {}
```
despite the following:
```ruby
bar # local variable or method call
Bar # constant
bar() # method call
Bar() # method call
bar {} # method call
Bar {} # method call
bar() {} # method call
Bar() {} # method call
Foo::bar # method call
Foo::Bar # constant
Foo::bar() # method call
Foo::Bar() # method call
Foo::bar {} # method call
# Foo::Bar {} # SyntaxError
Foo::bar() {} # method call
Foo::Bar() {} # method call
```
Especially considering `Bar {}`, this looks like a missing implementation rather than an intentional behavior.
--
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