def foo(bar: 'default')
puts bar
end
foo # => 'default'
foo(bar: 'baz') # => 'baz'def show_name_and_address(name: "Someone", address: "Somewhere")
puts "#{name}, #{address}"
end
show_name_and_address
#=> 'Someone, Somewhere'
show_name_and_address(name: 'Andy')
#=> 'Andy, Somewhere'
show_name_and_address(address: 'USA')
#=> 'Someone, USA'def show_name_and_address(name="Someone", address="Somewhere")
puts "#{name}, #{address}"
end
show_name_and_address
#=> 'Someone, Somewhere'
show_name_and_address('Andy')
#=> 'Andy, Somewhere'
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