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#compact! can return nil if no changes were made

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This commit is contained in:
Carson Reinke 2015-10-27 12:14:18 -04:00
parent 5d59e03ed5
commit 6c172a30d3
1 changed files with 1 additions and 0 deletions
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lib/memory_diagnostics.rb
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@ -22,6 +22,7 @@ module MemoryDiagnostics
diff = diff.map do |id| diff = diff.map do |id|
ObjectSpace._id2ref(id) rescue nil ObjectSpace._id2ref(id) rescue nil
end.compact! end.compact!
diff ||= []
report = "#{diff.length} objects have leaked\n" report = "#{diff.length} objects have leaked\n"