OpenSource/GildedRose-Refactoring-Kata
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ifをcaseに変えて魔法のようだ

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degwinthegreat 2021-05-14 20:48:37 +09:00
parent d04634f03a
commit 82a80bc043
1 changed files with 5 additions and 6 deletions
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11
ruby/gilded_rose.rb
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@ -20,13 +20,12 @@ class GildedRose
when AGED_BRIE
increment_item_quality(item)
when BACKSTAGE_PASS
if item.sell_in >= 11
increment_item_quality(item)
elsif (6...11).cover?(item.sell_in)
increment_item_quality(item, 2)
elsif item.sell_in < 6
increment_item_quality(item, 3)
increment_amount = case item.sell_in
when (11..) then 1
when (6...11) then 2
when (...6) then 3
end
increment_item_quality(item, increment_amount)
else
if item.quality > 0
item.quality = item.quality - 1