3 files changed, 6 insertions, 6 deletions
diff --git a/spec/ruby/library/set/shared/difference.rb b/spec/ruby/library/set/shared/difference.rb
index 52807709c3..f88987ed2a 100644
--- a/spec/ruby/library/set/shared/difference.rb
+++ b/spec/ruby/library/set/shared/difference.rb
@@ -9,7 +9,7 @@ describe :set_difference, shared: true do
   end
 
   it "raises an ArgumentError when passed a non-Enumerable" do
-    lambda { @set.send(@method, 1) }.should raise_error(ArgumentError)
-    lambda { @set.send(@method, Object.new) }.should raise_error(ArgumentError)
+    -> { @set.send(@method, 1) }.should raise_error(ArgumentError)
+    -> { @set.send(@method, Object.new) }.should raise_error(ArgumentError)
   end
 end
diff --git a/spec/ruby/library/set/shared/intersection.rb b/spec/ruby/library/set/shared/intersection.rb
index ed0db7457d..5ae4199c94 100644
--- a/spec/ruby/library/set/shared/intersection.rb
+++ b/spec/ruby/library/set/shared/intersection.rb
@@ -9,7 +9,7 @@ describe :set_intersection, shared: true do
   end
 
   it "raises an ArgumentError when passed a non-Enumerable" do
-    lambda { @set.send(@method, 1) }.should raise_error(ArgumentError)
-    lambda { @set.send(@method, Object.new) }.should raise_error(ArgumentError)
+    -> { @set.send(@method, 1) }.should raise_error(ArgumentError)
+    -> { @set.send(@method, Object.new) }.should raise_error(ArgumentError)
   end
 end
diff --git a/spec/ruby/library/set/shared/union.rb b/spec/ruby/library/set/shared/union.rb
index 81920f5687..314f0e852d 100644
--- a/spec/ruby/library/set/shared/union.rb
+++ b/spec/ruby/library/set/shared/union.rb
@@ -9,7 +9,7 @@ describe :set_union, shared: true do
   end
 
   it "raises an ArgumentError when passed a non-Enumerable" do
-    lambda { @set.send(@method, 1) }.should raise_error(ArgumentError)
-    lambda { @set.send(@method, Object.new) }.should raise_error(ArgumentError)
+    -> { @set.send(@method, 1) }.should raise_error(ArgumentError)
+    -> { @set.send(@method, Object.new) }.should raise_error(ArgumentError)
   end
 end