31 lines
1,007 B
Ruby
31 lines
1,007 B
Ruby
module ActiveSupport #:nodoc:
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module CoreExtensions #:nodoc:
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module Range #:nodoc:
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# Check if a Range includes another Range.
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module IncludeRange
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def self.included(base) #:nodoc:
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base.alias_method_chain :include?, :range
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end
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# Extends the default Range#include? to support range comparisons.
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# (1..5).include?(1..5) # => true
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# (1..5).include?(2..3) # => true
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# (1..5).include?(2..6) # => false
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#
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# The native Range#include? behavior is untouched.
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# ("a".."f").include?("c") # => true
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# (5..9).include?(11) # => false
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def include_with_range?(value)
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if value.is_a?(::Range)
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operator = exclude_end? ? :< : :<=
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end_value = value.exclude_end? ? last.succ : last
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include?(value.first) && (value.last <=> end_value).send(operator, 0)
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else
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include_without_range?(value)
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end
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end
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end
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end
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end
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end
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