Sha256: 9af9105e4c0d37293e63deb12df085d7d3c8e741cc4467668eadbfbc90c70232
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Size: 1.18 KB
Versions: 14
Compression:
Stored size: 1.18 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
14 entries across 14 versions & 2 rubygems