回答編集履歴
1
追加
test
CHANGED
|
@@ -55,3 +55,45 @@
|
|
|
55
55
|
|
|
56
56
|
|
|
57
57
|
こういう発想でできているのが`map`です。
|
|
58
|
+
|
|
59
|
+
|
|
60
|
+
|
|
61
|
+
---
|
|
62
|
+
|
|
63
|
+
|
|
64
|
+
|
|
65
|
+
質問文のこれ
|
|
66
|
+
|
|
67
|
+
|
|
68
|
+
|
|
69
|
+
```Ruby
|
|
70
|
+
|
|
71
|
+
def arithmetic_sequence(init: 1, diff: 1, count: 10)
|
|
72
|
+
|
|
73
|
+
current = init
|
|
74
|
+
|
|
75
|
+
count.times do
|
|
76
|
+
|
|
77
|
+
puts current
|
|
78
|
+
|
|
79
|
+
current += diff
|
|
80
|
+
|
|
81
|
+
end
|
|
82
|
+
|
|
83
|
+
end
|
|
84
|
+
|
|
85
|
+
|
|
86
|
+
|
|
87
|
+
arithmetic_sequence(init: 1, diff: 4, count: 10)
|
|
88
|
+
|
|
89
|
+
```
|
|
90
|
+
|
|
91
|
+
|
|
92
|
+
|
|
93
|
+
`put`もしつつ、ファイル書き出しもしたくなったらどうしますか?
|
|
94
|
+
|
|
95
|
+
`arithmetic_sequence_put`と`arithmetic_sequence_write_file`を作りますか?
|
|
96
|
+
|
|
97
|
+
もしその2つを作った後に、共通部分にバグや変更があったらどうしますか?
|
|
98
|
+
|
|
99
|
+
|