From: hsbt@... Date: 2020-02-14T11:38:35+00:00 Subject: [ruby-core:97158] [Ruby master Bug#9931] irb: Really weird behavior for x = "#{x\"}" (ex: irb(main:009:-4)) Issue #9931 has been updated by hsbt (Hiroshi SHIBATA). Assignee changed from keiju (Keiju Ishitsuka) to aycabta (aycabta .) ---------------------------------------- Bug #9931: irb: Really weird behavior for x = "#{x\"}" (ex: irb(main:009:-4)) https://bugs.ruby-lang.org/issues/9931#change-84264 * Author: jesserayadkins (Jesse Adkins) * Status: Assigned * Priority: Normal * Assignee: aycabta (aycabta .) * ruby -v: ruby 1.9.3p484 (2013-11-22 revision 43786) [x86_64-linux] * Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN ---------------------------------------- # Our journey starts off rather simple: irb(main):001:0> x = "#{x}" => "" # Okay, makes sense. irb(main):002:0> x = "#{x\"}" irb(main):003:0" # Hmm...Still in a string? That's weird. irb(main):003:0" " irb(main):004:0> # Things seem back to normal but... irb(main):004:0> x # Nothing? But x is defined! irb(main):005:0> # Nothing? Hmm... irb(main):005:0> end irb(main):006:-1> end # Uhh...I don't think that's supposed to do that. irb(main):007:-2> end irb(main):008:-3> end irb(main):009:-4> # ...I'm afraid to go deeper. # Get me out of here! irb(main):009:-4> quit irb(main):010:-4> # O.O irb(main):010:-4> ^C irb(main):010:0> # ...Can I go now? irb(main):010:0> quit # Success! # Additionally, if I put this in a file: x = "#{x\"}" # I get two syntax errors (ruby 1.9.3): test.rb:1: syntax error, unexpected $undefined, expecting '}' x = "#{x\"}" ^ test.rb:1: syntax error, unexpected $end, expecting '}' x = "#{x\"}" ^ -- https://bugs.ruby-lang.org/ Unsubscribe: