Use lexical scope instead of environment for mutable state
tree71137d389e2f907f7a41e5d1790bd756756df719
-rw-r--r-- 376 DESCRIPTION
-rw-r--r-- 1153 NAMESPACE
drwxr-xr-x - R
drwxr-xr-x - inst
drwxr-xr-x - man
drwxr-xr-x - src
drwxr-xr-x - tests