`Flag`s without a default value should default to `null`, not `false`.

seaneagan / unscripted

Define command-line interfaces using ordinary dart methods and classes.

BSD 3-Clause "New" or "Revised" License

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`Flag`s without a default value should default to `null`, not `false`. #86

Closed seaneagan closed 9 years ago

seaneagan commented 9 years ago

...to match the semantics of normal dart functions, and allow preserving the information of whether a flag negation was passed, to allow for dynamic defaulting behavior.