Safe
tailDef
tailMay
tailNote
tailSafe
initDef
initMay
initNote
initSafe
headDef
headMay
headNote
lastDef
lastMay
lastNote
minimumDef
minimumMay
minimumNote
maximumDef
maximumMay
maximumNote
foldr1Def
foldr1May
foldr1Note
foldl1Def
foldl1May
foldl1Note
fromJustDef
fromJustNote
assertNote
at
atDef
atMay
atNote
readDef
readMay
readNote
lookupJust
lookupJustDef
lookupJustNote
findJust
findJustDef
findJustNote
abort