The Ruby syntax is large and is split up into the following sections:
Numbers, Strings, Arrays, Hashes, etc.
Assignment and variables
if
, unless
, while
, until
, for
, break
, next
, redo
Method
and method argument syntax
How to call a method (or send a message to a method)
Creating modules and classes including inheritance
Exception
handling syntax
Precedence of ruby operators
Use and behavior of the experimental refinements feature
alias
, undef
, BEGIN
, END
Line and block code comments