Sha256: 30a2ef75f6e4dc2d400ca25d6f59e55b9f35036ac28747bdf3204946724ab388
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Versions: 11
Compression:
Stored size: 1.16 KB
Contents
module Comparable
def self.normalize(what)
return what if Integer === what
return 1 if what > 0
return -1 if what < 0
return 0
end
def ==(other)
return true if equal?(other)
return false unless cmp = (self <=> other)
return Comparable.normalize(cmp) == 0
rescue StandardError
false
end
def >(other)
unless cmp = (self <=> other)
raise ArgumentError, "comparison of #{self.class} with #{other.class} failed"
end
Comparable.normalize(cmp) > 0
end
def >=(other)
unless cmp = (self <=> other)
raise ArgumentError, "comparison of #{self.class} with #{other.class} failed"
end
Comparable.normalize(cmp) >= 0
end
def <(other)
unless cmp = (self <=> other)
raise ArgumentError, "comparison of #{self.class} with #{other.class} failed"
end
Comparable.normalize(cmp) < 0
end
def <=(other)
unless cmp = (self <=> other)
raise ArgumentError, "comparison of #{self.class} with #{other.class} failed"
end
Comparable.normalize(cmp) <= 0
end
def between?(min, max)
return false if self < min
return false if self > max
return true
end
end
Version data entries
11 entries across 11 versions & 2 rubygems