回答編集履歴
2
tap
test
CHANGED
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@@ -39,3 +39,21 @@
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です。
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----
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【追記】
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2行になるのが嫌であれば，1行に収めることもできます。
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```ruby
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sample = num[i].split(" ").tap{|x| break [""] if x.empty?}
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```
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訂正
test
CHANGED
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@@ -16,7 +16,9 @@
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```ruby
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-
sample = num[i].split(" ")
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sample = num[i].split(" ")
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sample = [""] if sample.empty?
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```
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@@ -28,7 +30,9 @@
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```ruby
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-
sample = (num[i] || "").split(" ")
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sample = (num[i] || "").split(" ")
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sample = [""] if sample.empty?
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```
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