AST
AppVeyor
CMD
Globals
NULLs
NativeSymbolInfo
Pre
TBD
codetools
dotdotdot
enterLocal
env
envir
envname
expr
findGlobals
fst
getGlobals
globals
globalsByName
globalsOf
macOS
mustExist
na
nnn
packagesOf
pre
purrr
vapply
walkAST