[ruby/set] Make Set#pretty_print IRB::ColorPrinter friendly

https://github.com/ruby/set/commit/f467028cdb
2021-05-23 20:10:21 +09:00 · 2021-05-23 20:10:21 +09:00 · f360ebb306
commit f360ebb306
parent a6459081bc
1 changed files with 6 additions and 5 deletions
--- a/lib/set.rb
+++ b/lib/set.rb
@ -834,13 +834,14 @@ class Set
  alias to_s inspect

  def pretty_print(pp)  # :nodoc:
-    pp.text sprintf('#<%s: {', self.class.name)
-    pp.nest(1) {
-      pp.seplist(self) { |o|
-        pp.pp o
+    pp.group(1, sprintf('#<%s:', self.class.name), '>') {
+      pp.breakable
+      pp.group(1, '{', '}') {
+        pp.seplist(self) { |o|
+          pp.pp o
+        }
      }
    }
-    pp.text "}>"
  end

  def pretty_print_cycle(pp)    # :nodoc: