cfunction
(os/arch)
Check the ISA that janet was compiled for. Returns one of:
:x86
:x86-64
:arm
:aarch64
:sparc
:wasm
:unknown
# on a Core i5-4590:
(os/arch) # => :x64
# on an Intel Atom N270:
(os/arch) # => :x86
# on a raspberry pi:
(os/arch) # => :arm