optional

Using type-classes for optional function arguments

https://github.com/tonymorris/optional

Latest on Hackage:0.0.1

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BSD-3-Clause licensed by Tony Morris <ʇǝu˙sıɹɹoɯʇ@ןןǝʞsɐɥ>
Maintained by Tony Morris

Using type-classes for optional function arguments. Although this implements that which is available in other programming languages, and is a lot safer than in those environments, it is still of dubious morality. Use with care, question and caution.