Miscellaneous functions for getting information about the system.
os : StringThe current operating system.
codegen : StringThe codegen/backend used.
isWindows : BoolWhether we are running on MS Windows, either directly or with a compability
layer (e.g. cygwin).
getNProcessors : IO (Maybe Nat)Get the number of processors on the system. Returns `Nothing` if we somehow
got 0 processors.