YumaInaura · December 5, 2015 14:33
diff --git a/file0.txt b/file0.txt
 [5,4,3,2,1].first

 # => 5
diff --git a/file1.txt b/file1.txt
 [5,4,3,2,1].last

 # => 1
diff --git a/file2.txt b/file2.txt
 (5..1).begin

 # => 5
diff --git a/file3.txt b/file3.txt
 (5..1).first

 # => 5
diff --git a/file4.txt b/file4.txt
 [5,4,3,2,1].begin

 # => NoMethodError: undefined method `begin' for [5, 4, 3, 2, 1]:Array
diff --git a/file5.txt b/file5.txt
 (5..1).end

 # => 1
diff --git a/file6.txt b/file6.txt
 (5..1).last

 # => 1
diff --git a/file7.txt b/file7.txt
 [5,4,3,2,1].end

 # => NoMethodError: undefined method `end' for [5, 4, 3, 2, 1]:Array
diff --git a/file8.txt b/file8.txt
 [5,4,-3,2,1].min

 # => -3
diff --git a/file9.txt b/file9.txt
 [5,4,30,2,1].max

 # => 30
	[5,4,3,2,1].begin

	# => NoMethodError: undefined method `begin' for [5, 4, 3, 2, 1]:Array
	[5,4,3,2,1].end

	# => NoMethodError: undefined method `end' for [5, 4, 3, 2, 1]:Array