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September 2025

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[ruby-core:123151] [Ruby Bug#18878] parse.y: Foo::Bar {} is inconsistently rejected
by yui-knk (Kaneko Yuichiro) 01 Sep '25

01 Sep '25

Issue #18878 has been updated by yui-knk (Kaneko Yuichiro). Note: 9930363aab6ac4b8d7034baff85cd86c17953dc9 was the commit to allow `Foo::Bar {}` in parse.y. ---------------------------------------- Bug #18878: parse.y: Foo::Bar {} is inconsistently rejected https://bugs.ruby-lang.org/issues/18878#change-114483 * 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. -- https://bugs.ruby-lang.org/

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[ruby-core:123150] [Ruby Bug#18878] parse.y: Foo::Bar {} is inconsistently rejected
by yui-knk (Kaneko Yuichiro) 01 Sep '25

01 Sep '25

Issue #18878 has been updated by yui-knk (Kaneko Yuichiro). Patch: * Support only `Foo::Bar {} + 1`: https://github.com/yui-knk/ruby/tree/bug_18878_2 * Support both `Foo::Bar {} + 1` and `Foo::Bar do end` (and `Foo::Bar do end + 1`): https://github.com/yui-knk/ruby/tree/bug_18878 ---------------------------------------- Bug #18878: parse.y: Foo::Bar {} is inconsistently rejected https://bugs.ruby-lang.org/issues/18878#change-114482 * 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. -- https://bugs.ruby-lang.org/

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