gistfile1.rb

# I'm just working on a quick script...

true_positives = ...
false_negatives = ...

# Using printf debugging I'd normally do this

p true_positives
p false_negatives

# and end up having to disambiguate the output by remembering the order or by
# putting in extra comments

puts "true_positives = #{true_positives.inspect}"

# I could use a debugger, but it would be much easier to do something like
# this:

pv true_positives
#=> true_positives = ...

pv true_negatives
#=>