Data.Generics.Twins

Generic folds and maps that also accumulate

gfoldlAccum

gmapAccumT

gmapAccumM

gmapAccumQl

gmapAccumQr

gmapAccumQ

gmapAccumA

Mapping combinators for twin traversal

gzipWithT

gzipWithM

gzipWithQ

Typical twin traversals

geq

gzip