MatchResult = enum
  AmbiguousMatch, NoMatches, MatchFound

Match = ref object
  case kind*: MatchResult
  of MatchFound:
      command*: string

  of AmbiguousMatch:
      possibilities*: seq[string]

  else:
    nil
  

proc resolve(argList: openArray[string]; command: string): Match {...}{.raises: [],
    tags: [].}