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-rw-r--r--lib/set.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/set.rb b/lib/set.rb
index 37332e1fa6..935c07c3e0 100644
--- a/lib/set.rb
+++ b/lib/set.rb
@@ -178,6 +178,7 @@ class Set
# the element as parameter.
def each
@hash.each_key { |o| yield(o) }
+ self
end
# Adds the given object to the set and returns self.