Initial commit
10/10
Add 'progfun-streams/' from commit '35631583b0b1e03762f33688907724ac79716c4d'

git-subtree-dir: progfun-streams
git-subtree-mainline: 91f58c5f33cd1e3f99725dfe37c3997ff188ebc1
git-subtree-split: 35631583b0b1e03762f33688907724ac79716c4d
add objsets
added simulation