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