25 May '12, 2pm

Ruby OptionParser's argument casting is cool. Thanks to @drbrain for writing about it:

Argument casting allows you to validate a command-line option and convert it from the user-supplied String into whichever object you like. The ri for OptionParser has an example similar to this one for casting a floating-point argument into a Float value:

Full article: http://blog.segment7.net/2008/01/05/optionparser-argument...

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