With $ - variables are global
More Classes and Objects example from a Well House Consultants training course
More on More Classes and Objects [link]
Source code: dub2 Module: R108
# Illustrates how a variable name
# that's preceded with a $ indicates
# a global
def dubler (input,factor = 2.0)
$result = input * factor
$result = "A nice language"
some = 20
more = dubler(some)
lots = dubler(some,5)
p some, more, lots
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* Learning to program in Ruby
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