Method deprecated or moved
This method is deprecated or moved on the latest stable version.
The last existing version (v6.1.7.7) is shown here.
cover?(value)
public
Extends the default Range#cover? to support range comparisons.
(1..5).cover?(1..5)
(1..5).cover?(2..3)
(1..5).cover?(1...6)
(1..5).cover?(2..6)
The native Range#cover? behavior is untouched.
('a'..'f').cover?('c')
(5..9).cover?(11)
The given range must be fully bounded, with both start and end.
# File activesupport/lib/active_support/core_ext/range/compare_range.rb, line 66
def cover?(value)
if value.is_a?(::Range)
is_backwards_op = value.exclude_end? ? :>= : :>
return false if value.begin && value.end && value.begin.public_send(is_backwards_op, value.end)
# 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) && (self.end.nil? || value_max.public_send(operator, last))
else
super
end
end