Distribution.Backpack

# OpenUnitId

data OpenUnitId

openUnitIdFreeHoles

mkOpenUnitId

# DefUnitId

data DefUnitId

unDefUnitId

mkDefUnitId

# OpenModule

data OpenModule

openModuleFreeHoles

# OpenModuleSubst

type OpenModuleSubst

dispOpenModuleSubst

dispOpenModuleSubstEntry

parseOpenModuleSubst

parseOpenModuleSubstEntry

openModuleSubstFreeHoles

# Conversions to `UnitId`

abstractUnitId

hashModuleSubst