回答編集履歴
2
修正
answer
CHANGED
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@@ -1,15 +1,9 @@
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1
1
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```Ruby
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2
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-
class MyArray < Array
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3
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-
def <<(value)
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4
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-
self.push(value)
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-
end
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6
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-
end
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7
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-
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8
2
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1.upto(100) do |i|
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9
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define_method("array#{i}") do
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10
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res = self.instance_variable_get("@array#{i}")
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5
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if res.nil?
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12
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-
self.instance_variable_set("@array#{i}",
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6
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+
self.instance_variable_set("@array#{i}", [])
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7
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end
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8
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self.instance_variable_get("@array#{i}")
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15
9
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end
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@@ -18,12 +12,10 @@
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12
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end
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end
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14
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21
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-
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15
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+
p array21
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22
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-
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+
p array61
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-
(
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(1..3).each { |e| array21 << e }
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-
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18
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+
(4..6).each { |e| array61 << e }
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p array21.zip(array61).to_h
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-
p array61 << array71
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20
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-
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29
21
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```
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1
修正
answer
CHANGED
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@@ -1,8 +1,17 @@
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1
1
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```Ruby
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2
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+
class MyArray < Array
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3
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+
def <<(value)
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4
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+
self.push(value)
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5
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+
end
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6
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+
end
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7
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+
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2
8
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1.upto(100) do |i|
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3
9
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define_method("array#{i}") do
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4
10
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res = self.instance_variable_get("@array#{i}")
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5
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-
res.nil?
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11
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+
if res.nil?
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12
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+
self.instance_variable_set("@array#{i}", MyArray.new)
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end
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14
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+
self.instance_variable_get("@array#{i}")
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6
15
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end
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7
16
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define_method("array#{i}=") do |value|
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17
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self.instance_variable_set("@array#{i}", value)
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@@ -11,8 +20,10 @@
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11
20
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12
21
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array21 = [1, 2, 3]
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13
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array61 = [4, 5, 6]
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14
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-
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23
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+
(7..9).each { |i| array71 << i }
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+
p array21 + array61
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15
25
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p array21.zip(array61).to_h
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26
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+
p array61 << array71
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16
27
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17
28
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18
29
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```
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