registry: spare useless I/O

The each_key()/each_value() methods of the accessor relied on the each()
method of the database, wasting I/O bandwidth and time by loading
unnecessary data (particularly when running each_key() on databases with
ridiculously enormous values such as in the markov plugin case).

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/rbot/registry.rb b/lib/rbot/registry.rb
index 05425341..4dfbdb35 100644
--- a/lib/rbot/registry.rb
+++ b/lib/rbot/registry.rb
@@ -230,7 +230,7 @@ class Bot
     # just like Hash#each_key
     def each_key(&block)
       return nil unless File.exist?(@filename)
-      registry.each {|key, value|
+      registry.each_key {|key|
         block.call(key)
       }
     end
@@ -238,7 +238,7 @@ class Bot
     # just like Hash#each_value
     def each_value(&block)
       return nil unless File.exist?(@filename)
-      registry.each {|key, value|
+      registry.each_value { |value|
         block.call(restore(value))
       }
     end