Ruby: required keyword arguments in the pre-2.1 era
Starting with Ruby 2.0 you can define methods with keyword arguments.
In 2.1+ required keyword arguments can be defined by using a colon without default value:
def match(value, ignore:)
# ...
end
To accomplish something similar in ruby 1.8, use:
def match(value, options = {})
ignore = options.fetch(:ignore)
# ...
end
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