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File test.rb, 273 bytes
(added by macruby@…, 2 years ago)
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source code
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| 1 | class Test |
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| 2 | attr :min |
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| 3 | def initialize(min) |
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| 4 | @min = min |
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| 5 | end |
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| 6 | def <=>(other) |
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| 7 | min <=> other.min |
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| 8 | end |
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| 9 | end |
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| 10 | |
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| 11 | class PQ < Array |
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| 12 | def <<(other) |
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| 13 | super other |
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| 14 | sort! |
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| 15 | end |
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| 16 | end |
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| 17 | |
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| 18 | a = Test.new(10.0) |
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| 19 | b = Test.new(10.1) |
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| 20 | d = Test.new(9.1) |
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| 21 | c = PQ.new |
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| 22 | c << a |
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| 23 | c << b |
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| 24 | c << d |
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