y-yagi · November 14, 2019 04:28
diff --git a/a.rb b/a.rb
 a = 1
 eval(:a.to_s)

 =begin
 $ ruby -vw a.rb
 ruby 2.7.0preview1 (2019-05-31 trunk c55db6aa271df4a689dc8eb0039c929bf6ed43ff) [x86_64-linux]
 a.rb:1: warning: assigned but unused variable - a
 =end
diff --git a/abc b/abc
 ddd
diff --git a/b.rb b/b.rb
 puts "hello world7"
	a = 1
	eval(:a.to_s)

	=begin
	$ ruby -vw a.rb
	ruby 2.7.0preview1 (2019-05-31 trunk c55db6aa271df4a689dc8eb0039c929bf6ed43ff) [x86_64-linux]
	a.rb:1: warning: assigned but unused variable - a
	=end