Created
June 26, 2012 06:01
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Proper way to handle path arguments in Ruby methods
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| def callee(arg) | |
| path = arg.path if arg.respond_to?(:path) | |
| path ||= arg.to_path if arg.respond_to?(:to_path) | |
| path ||= arg.to_str if arg.respond_to?(:to_str) | |
| raise "Invalid path `#{arg}`" unless path | |
| # ... do something with path | |
| end |
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