lib/zache.rb in zache-0.13.1 vs lib/zache.rb in zache-0.13.2

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
 # (The MIT License)
 #
-# Copyright (c) 2018-2023 Yegor Bugayenko
+# Copyright (c) 2018-2024 Yegor Bugayenko
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the 'Software'), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
@@ -32,11 +32,11 @@
 #
 # For more information read
 # {README}[https://github.com/yegor256/zache/blob/master/README.md] file.
 #
 # Author:: Yegor Bugayenko ([e-mail])
-# Copyright:: Copyright (c) 2018-2023 Yegor Bugayenko
+# Copyright:: Copyright (c) 2018-2024 Yegor Bugayenko
 # License:: MIT
 class Zache
   # Fake implementation that doesn't cache anything, but behaves like it
   # does. It implements all methods of the original class, but doesn't do
   # any caching. This is very useful for testing.
@@ -153,11 +153,11 @@
         lifetime: lifetime
       }
     end
   end
 
-  # Removes the value from the hash, by the provied key. If the key is absent
+  # Removes the value from the cache, by the provided key. If the key is absent
   # and the block is provided, the block will be called.
   def remove(key)
     synchronized { @hash.delete(key) { yield if block_given? } }
   end
 
@@ -175,10 +175,14 @@
     end
   end
 
   # Remove keys that are expired.
   def clean
-    synchronized { @hash.delete_if { |_key, value| expired?(value) } }
+    synchronized { @hash.delete_if { |key, _value| expired?(key) } }
+  end
+
+  def empty?
+    @hash.empty?
   end
 
   private
 
   def calc(key, lifetime)