From 5314960d8b27957c01ad1a6cf3ef5a5624cef713 Mon Sep 17 00:00:00 2001 From: Jamis Buck Date: Mon, 15 Jan 2007 17:13:45 +0000 Subject: change Duration to use the new Object#acts_like? helper to do duck typing git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5952 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- activesupport/lib/active_support/duration.rb | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'activesupport') diff --git a/activesupport/lib/active_support/duration.rb b/activesupport/lib/active_support/duration.rb index 3696697224..8e518cb00b 100644 --- a/activesupport/lib/active_support/duration.rb +++ b/activesupport/lib/active_support/duration.rb @@ -65,13 +65,13 @@ module ActiveSupport def sum(sign, time = ::Time.now) #:nodoc: parts.inject(time) do |t,(type,number)| - if t.respond_to?(:sec) # quacks like a Time + if t.acts_like?(:time) if type == :seconds t + (sign * number) else t.advance(type => sign * number) end - elsif t.respond_to?(:day) # quacks like a Date + elsif t.acts_like?(:date) raise ArgumentError, "Adding seconds to a Date does not make sense" if type == :seconds t.advance(type => sign * number) else -- cgit v1.2.3