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module SenateTypes(
Ranking,
Position,
CandidateID,
AbovePreferences,
BelowPreferences,
FullPreferences,
UpperMap,
LowerMap,
Trace
) where
-- fairly obvious, rankings, positions and candidateIDs are all numbers
type Ranking = Int
type Position = Int
type CandidateID = String
type AbovePreferences = [(Position,Ranking)]
type BelowPreferences = [(Position,Ranking)]
type FullPreferences = (AbovePreferences,BelowPreferences)
-- positions in the uppermap list correspond to the boxes above the line,
-- and the lists of candidateIDs are the boxes below the line
type UpperMap = [[Position]]
-- a list of candidates in the order of how they were placed below the line
type LowerMap = [CandidateID]
-- represents a criteria used for finding ballots that voted a specific
-- way, for example voted for candidate C as #1, candidate F as #2, etc
type Trace = [(Ranking,CandidateID)]
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