Issue #10184 has been updated by jeremyevans0 (Jeremy Evans). Status changed from Open to Closed This was fixed between Ruby 2.2 and 2.3: ``` $ irb22 irb(main):001:0> def !; end => :! irb(main):002:0> ! /usr/local/lib/ruby/2.2/irb/input-method.rb:151:in `gets': private method `!' called for false:FalseClass (NoMethodError) from /usr/local/lib/ruby/2.2/irb.rb:469:in `block (2 levels) in eval_input' from /usr/local/lib/ruby/2.2/irb.rb:623:in `signal_status' from /usr/local/lib/ruby/2.2/irb.rb:468:in `block in eval_input' from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:188:in `call' from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:188:in `buf_input' from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:103:in `getc' from /usr/local/lib/ruby/2.2/irb/slex.rb:205:in `match_io' from /usr/local/lib/ruby/2.2/irb/slex.rb:75:in `match' from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:282:in `token' from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:264:in `lex' from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:235:in `block (2 levels) in each_top_level_statement' from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:231:in `loop' from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:231:in `block in each_top_level_statement' from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:230:in `catch' from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:230:in `each_top_level_statement' from /usr/local/lib/ruby/2.2/irb.rb:485:in `eval_input' from /usr/local/lib/ruby/2.2/irb.rb:395:in `block in start' from /usr/local/lib/ruby/2.2/irb.rb:394:in `catch' from /usr/local/lib/ruby/2.2/irb.rb:394:in `start' from /usr/local/bin/irb22:11:in `<main>' $ irb23 irb(main):001:0> def !; end => :! irb(main):002:0> ! irb(main):003:0* nil irb(main):004:0> => nil irb(main):004:0> ``` ---------------------------------------- Bug #10184: irb terminates with no method error https://bugs.ruby-lang.org/issues/10184#change-79234 * Author: sawa (Tsuyoshi Sawada) * Status: Closed * Priority: Normal * Assignee: * Target version: * ruby -v: 2.1.2 * Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN ---------------------------------------- When I input the following lines in irb, the irb terminates. ~~~ $ irb irb(main):001:0> def !; end => :! irb(main):002:0> ! /usr/local/lib/ruby/2.1.0/irb/input-method.rb:153:in `gets': private method `!' called for false:FalseClass (NoMethodError) ... $ ~~~ A corresponding question is posted on StackOverflow at http://stackoverflow.com/questions/25572126/irb-terminates-with-no-method-error/25572313#25572313. -- https://bugs.ruby-lang.org/ Unsubscribe: <mailto:ruby-core-request / ruby-lang.org?subject=unsubscribe> <http://lists.ruby-lang.org/cgi-bin/mailman/options/ruby-core>