Flue: Fluent API for value extraction and conversion for Swift

Flue is a Swift (3.0, as of this writing) library for extracting, validating and converting values from user input. It tries to do this with a fluent interface:

vp.extract("100").maxLength(6).regexp("1.*")!.asInt().required()

It can output readable help and error messages from your conversions. See the README for details.

Enjoy.

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