# (pound sign) 2nd
& (ampersand) 2nd
<=> (spaceship operator)
() (parentheses) 2nd 3rd
+ (plus sign) 2nd
, (comma)
: (colon)
:: (double colon) 2nd
; (semicolon) 2nd
= operator
?: operator
$@ variable 2nd
@_ array
accessing instance data
changes reflected
creating
dereferencing and
nested data structures
passing uninterrupted
references and scoping
removing items from
[] (square brackets) 2nd
\ (backslash) 2nd 3rd
_ (underscore)
{} (curly braces)
anonymous hash constructors
arrays and
coderefs and
dereferencing
dropping 2nd
hashes and
indirect object syntax and
|| operator
||= operator