[ruby-core:77571] [CommonRuby Feature#12664][Assigned] Multiline pretty-printing of multiline strings

Issue #12664 has been updated by Shyouhei Urabe.

Status changed from Open to Assigned

We looked at this issue in developer meeting today and Akira was positive about this proposal.  I'm assigning to him.

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Feature #12664: Multiline pretty-printing of multiline strings
https://bugs.ruby-lang.org/issues/12664#change-60842

* Author: Petr Chalupa
* Status: Assigned
* Priority: Normal
* Assignee: Akira Tanaka
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With following addition

~~~ ruby
class String
  def pretty_print(q)
    lines = self.lines
    if lines.size > 1
      q.group(0, '', '') do
        q.seplist(lines, lambda { q.text ' +'; q.breakable }) do |v|
          q.pp v
        end
      end
    else
      q.text inspect
    end
  end
end
~~~

a multiline String will print as follows

~~~ text
[9] pry(main)> pp "bundler.rb"=> "module Bundler\n  BundlerError = Class.new(Exception)\n  def self.setup\n  end\nend\n"
{"bundler.rb"=>
  "module Bundler\n" +
  "  BundlerError = Class.new(Exception)\n" +
  "  def self.setup\n" +
  "  end\n" +
  "end\n"}
~~~





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