From 6364f9f640e44c37bfc4e4c6d118b7fd73373005 Mon Sep 17 00:00:00 2001
From: sinamon129 <sinamo.p@gmail.com>
Date: Wed, 6 Dec 2017 02:45:57 +0900
Subject: [PATCH] =?UTF-8?q?Array#transport=E3=82=92=E4=BD=BF=E7=94=A8?=
 =?UTF-8?q?=E3=83=BB=E6=96=87=E8=84=88=E3=81=A7method=E3=81=AB=E5=88=87?=
 =?UTF-8?q?=E3=82=8A=E5=88=86=E3=81=91=E3=81=9F?=
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- Array#transportを使用するように変更
- 文字列をArrayへ変換・Arrayを文字列に変換する部分をmethodとして切り出し
- 短縮している変数名をわかりやすく変更
---
 lib/transport.rb | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/lib/transport.rb b/lib/transport.rb
index d930638..41980d3 100644
--- a/lib/transport.rb
+++ b/lib/transport.rb
@@ -1,11 +1,11 @@
 def transport(source)
-  array = source.split("\n").map {|s| s.split(" ")}
-  rows_count = array.first.count
+  matrix_to_string(string_to_matrix(source).transpose)
+end
 
-  transported_array = []
-  0.upto(rows_count - 1) do |i|
-    transported_array << array.map {|a| a[i]}
-  end
+def string_to_matrix(matrix_string)
+  matrix_string.lines.map {|row_string| row_string.split(" ")}
+end
 
-  transported_array.map {|s| s.join(" ")}.join("\n")
-end
\ No newline at end of file
+def matrix_to_string(matrix_array)
+  matrix_array.map {|row_array| row_array.join(" ")}.join("\n")
+end