Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Ruby Ruby Foundations Procs & Lambdas Working With Procs & Lambdas

Michael Guren
Michael Guren
5,195 Points

Why not have set_variable accept two arguments (kind, val)?

I'm not 100% clear on the value of a Proc in this example. Why wouldn't we just use:

def set_variable(kind,val) return [kind,val].join(": ") end