refactor Range#include? for range value #4197
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josevalim
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Dec 26, 2011
refactor Range#include? for range value
| operator = exclude_end? ? :< : :<= | ||
| end_value = value.exclude_end? ? last.succ : last | ||
| include_without_range?(value.first) && (value.last <=> end_value).send(operator, 0) | ||
| min <= value.min && max >= value.max |
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What about descending ranges, e.g. 3..1?
irb(main):002:0> (3..1).min
=> nil
irb(main):003:0> (3..1).max
=> nil
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Actually, now it works pretty strange: 1.9.2p290 :006 > (3..1).include?(1..2)
=> false
1.9.2p290 :007 > (1..3).include?(2..1)
=> true for plain 1.9.2p290 :008 > (3..1).include?(2)
=> false so, what's the best solution? Just check |
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I think it's good to return but I don't know what is the best in @josevalim could you share your thoughts? |
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Unsure. What did the previous implementation return? |
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it's above. |
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No idea then. /cc @fxn |
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