Module: ActiveSupport::CompareWithRange
- Included in:
- Range
- Defined in:
- lib/active_support/core_ext/range/compare_range.rb
Instance Method Summary collapse
-
#===(value) ⇒ Object
Extends the default Range#=== to support range comparisons.
-
#cover?(value) ⇒ Boolean
Extends the default Range#cover? to support range comparisons.
-
#include?(value) ⇒ Boolean
Extends the default Range#include? to support range comparisons.
Instance Method Details
#===(value) ⇒ Object
Extends the default Range#=== to support range comparisons.
(1..5) === (1..5) # => true
(1..5) === (2..3) # => true
(1..5) === (1...6) # => true
(1..5) === (2..6) # => false
The native Range#=== behavior is untouched.
('a'..'f') === ('c') # => true
(5..9) === (11) # => false
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# File 'lib/active_support/core_ext/range/compare_range.rb', line 14 def ===(value) if value.is_a?(::Range) # 1...10 includes 1..9 but it does not include 1..10. # 1..10 includes 1...11 but it does not include 1...12. operator = exclude_end? && !value.exclude_end? ? :< : :<= value_max = !exclude_end? && value.exclude_end? ? value.max : value.last super(value.first) && value_max.send(operator, last) else super end end |
#cover?(value) ⇒ Boolean
Extends the default Range#cover? to support range comparisons.
(1..5).cover?(1..5) # => true
(1..5).cover?(2..3) # => true
(1..5).cover?(1...6) # => true
(1..5).cover?(2..6) # => false
The native Range#cover? behavior is untouched.
('a'..'f').cover?('c') # => true
(5..9).cover?(11) # => false
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# File 'lib/active_support/core_ext/range/compare_range.rb', line 56 def cover?(value) if value.is_a?(::Range) # 1...10 covers 1..9 but it does not cover 1..10. # 1..10 covers 1...11 but it does not cover 1...12. operator = exclude_end? && !value.exclude_end? ? :< : :<= value_max = !exclude_end? && value.exclude_end? ? value.max : value.last super(value.first) && value_max.send(operator, last) else super end end |
#include?(value) ⇒ Boolean
Extends the default Range#include? to support range comparisons.
(1..5).include?(1..5) # => true
(1..5).include?(2..3) # => true
(1..5).include?(1...6) # => true
(1..5).include?(2..6) # => false
The native Range#include? behavior is untouched.
('a'..'f').include?('c') # => true
(5..9).include?(11) # => false
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# File 'lib/active_support/core_ext/range/compare_range.rb', line 35 def include?(value) if value.is_a?(::Range) # 1...10 includes 1..9 but it does not include 1..10. # 1..10 includes 1...11 but it does not include 1...12. operator = exclude_end? && !value.exclude_end? ? :< : :<= value_max = !exclude_end? && value.exclude_end? ? value.max : value.last super(value.first) && value_max.send(operator, last) else super end end |