thoughtfusion/jewelry — Issue #2: Adding variables
Author: thoughtfusion
Created: 2011-12-16 22:10:15+00:00
State: open
Labels: feature

Variables/functions need to have the ability to be added together.

Example:
```
x = Variable.new
y = Variable.new(Proc.new(do 3*x end))
z = Variable.new(Proc.new(do 4 + x end))
y + z
# => #
```