Require set before it is used

CocoaPods · May 9, 2018 · ebcf6b9 · ebcf6b9
1 parent b27620b
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -8,7 +8,9 @@
 
 ##### Bug Fixes
 
-* None.  
+* Add a missing `require 'set'` so the library can be loaded.  
+  [Samuel Giddins](https://github.com/segiddins)
+  [#572](https://github.com/CocoaPods/Xcodeproj/issues/572)
 
 
 ## 1.5.8 (2018-05-09)

diff --git a/lib/xcodeproj/project/object/helpers/build_settings_array_settings_by_object_version.rb b/lib/xcodeproj/project/object/helpers/build_settings_array_settings_by_object_version.rb
@@ -1,3 +1,5 @@
+require 'set'
+
 module Xcodeproj
   class Project
     module Object