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-rw-r--r--benchmark/bm_hash_keys.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/benchmark/bm_hash_keys.rb b/benchmark/bm_hash_keys.rb
new file mode 100644
index 0000000..6863cd0
--- /dev/null
+++ b/benchmark/bm_hash_keys.rb
@@ -0,0 +1,9 @@
+h = {}
+
+10000.times do |i|
+ h[i] = nil
+end
+
+5000.times do
+ h.keys
+end