Data.PseudoBoolean
data Formula
type Constraint
data Op
data SoftFormula
type SoftConstraint
type Sum
type WeightedTerm
type Term
type Lit
type Var
parseOPBString
parseOPBByteString
parseOPBFile
parseWBOString
parseWBOByteString
parseWBOFile
toOPBString
toOPBByteString
writeOPBFile
hPutOPB
toWBOString
toWBOByteString
writeWBOFile
hPutWBO