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willbuilds/discrete_array_loop.rb

Created July 2, 2015 00:04
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Pattern for handling array vs single
Raw
discrete_array_loop.rb
# value arg could be Array of objects, or single object
def print_this(value)
print = ''
(value.is_a?(Array) ? value : [value]).each do |v|
print += v
end
puts print
end
# eg
print_this('hello') -> 'hello'
print_this(['hello ', 'how ', 'are ', 'you']) -> 'hello how are you'
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