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if there is nothing to compile, then do not bother compiling

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This commit is contained in:
Aaron Patterson 2013-05-13 16:43:27 -07:00
parent 877964dc61
commit ccbefff684
1 changed files with 8 additions and 3 deletions
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7
activesupport/lib/active_support/callbacks.rb
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@ -76,10 +76,15 @@ module ActiveSupport
# save
# end
def run_callbacks(kind, &block)
runner = send("_#{kind}_callbacks").compile
cbs = send("_#{kind}_callbacks")
if cbs.empty?
yield if block_given?
else
runner = cbs.compile
e = Filters::Environment.new(self, false, nil, block)
runner.call(e).value
end
end
private