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The Ruby Way: Solutions and Techniques in Ruby Programming, Third Edition by André Arko, Hal Fulton

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Index

Symbols

& operator, 45

&& operator, 45

* (array expansion operator), 60

** operator, 157

@@ prefix, 45

` (backtick), 11, 533-534

- (set difference) operator, arrays as mathematical sets, 245

-= operator, 52

$0 == __FILE__ idiom, 53

$SAFE global variable and threads, 502

$SAFE levels (security), 430-432

=end markers, syntax issues, 43

== operator

specialized string comparisons, 70

testing object equality, 377

=== (threequal) operator, 18, 48, 59, 376

=~ operator, testing object equality, 378

! (exclamation points), syntax issues, 43

!= operator, testing object equality, 378

!~ operator, testing object equality, 378

<< >> (append operator)

appending arrays, 253

appending items to strings, 83

arrays as queues, 254

<=> method

modules as mixins, ...

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