RomeinsGetal.dcl « practicum « files - NWI-IBC029-30-Functioneel-Programmeren - Files related to NWI-IBC029 and NWI-IBC030 Functioneel Programmeren, spring 2015, Radboud University Nijmegen.

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definition module RomeinsGetal

import StdEnv

:: RD    = M | D | C | L | X | V | I
:: Roman = Roman [RD]

instance toInt   Roman
instance fromInt Roman