Pavel Rojtberg 1dd7f546af CommandLineParser: add special <none> value to disallow empty strings ... some mandatory string keys like paths must not be empty. Add the special default value `<none>` so the CommandLineParser can enforce this and generate an according error message for us.		2015-09-23 15:43:46 +02:00
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opencv2	CommandLineParser: add special <none> value to disallow empty strings	2015-09-23 15:43:46 +02:00