Related: Semantic Changes

In CaffeineScript, truth is simple and useful:

• FALSE: false, undefined and null
• TRUE: everything else

If you are familiar with the Ruby programming language, CaffeineTruth is basically RubyTruth.

# In all the following examples, 
#  a is tested with: Caf.true(a)

if a...
unless a...
while a...
until a...

a && ... 
a || ... 
!a