Add all the A tasks

2013-04-10 14:58:50 -07:00 · 2013-04-10 14:58:50 -07:00 · 051504d65b
commit 051504d65b
parent 2dd7375f96
1608 changed files with 18584 additions and 0 deletions
--- a/Task/Add-a-variable-to-a-class-instance-at-runtime/Ruby/add-a-variable-to-a-class-instance-at-runtime.rb
+++ b/Task/Add-a-variable-to-a-class-instance-at-runtime/Ruby/add-a-variable-to-a-class-instance-at-runtime.rb
@ -0,0 +1,12 @@
+class Empty
+end
+
+e = Empty.new
+class << e
+  attr_accessor :foo
+end
+e.foo = 1
+puts e.foo  # output: "1"
+
+f = Empty.new
+f.foo = 1   # raises NoMethodError