From: ibylich@... Date: 2019-11-11T18:28:01+00:00 Subject: [ruby-core:95799] [Ruby master Bug#16343] Inconsistent behavior of 'circular argument reference' error Issue #16343 has been reported by ibylich (Ilya Bylich). ---------------------------------------- Bug #16343: Inconsistent behavior of 'circular argument reference' error https://bugs.ruby-lang.org/issues/16343 * Author: ibylich (Ilya Bylich) * Status: Open * Priority: Normal * Assignee: * Target version: * ruby -v: ruby 2.7.0dev (2019-11-04T16:32:26Z trunk a087e027bf) [x86_64-darwin19] * Backport: 2.5: UNKNOWN, 2.6: UNKNOWN ---------------------------------------- The following code gives a syntax error: ``` ruby m { |foo = proc { || foo }| } # => SyntaxError (-e:14: circular argument reference - foo) ``` But this code is valid: ``` ruby m { |foo = proc { |bar| foo }| } ``` Is it intentional? `foo` becomes a proc that returns itself, so there must be a circular dependency -- https://bugs.ruby-lang.org/ Unsubscribe: