[ruby/irb] Use InstructionSequence#script_lines to get method source (https://github.com/ruby/irb/pull/1005)
It works with both prism and parse.y
https://github.com/ruby/irb/commit/bcfaa72d5a
[ruby/irb] Use InstructionSequence#script_lines to get method source
(https://github.com/ruby/irb/pull/1005)
It works with both prism and parse.y
https://github.com/ruby/irb/commit/bcfaa72d5a