Add 'go/goRiffle/' from commit '5508df52728b993f62f654b9a9b04d318ca051cf'
Add 'go/goRiffle/' from commit '5508df52728b993f62f654b9a9b04d318ca051cf'

git-subtree-dir: go/goRiffle
git-subtree-mainline: 7872dcf471d477f840bbd97e206c20a203219b43
git-subtree-split: 5508df52728b993f62f654b9a9b04d318ca051cf

exis-io/core