os.wu

# Wu standard library
# Copyright: 2018 wu-lang, MIT License
# Author: evolbug <github.com/evolbug>



# Lua OS wrapper

clock:      extern fun()              -> int   = "os.clock"
date:       extern fun(str?, float?)  -> any   = "os.date"
difftime:   extern fun(float, float)  -> int   = "os.difftime"
execute:    extern fun(str?)          -> int   = "os.execute"
exit:       extern fun(float?)                 = "os.exit"
getenv:     extern fun(str)           -> str?  = "os.getenv"
remove:     extern fun(str)           -> ...?  = "os.remove"     # (int?, str?)
rename:     extern fun(str, str)      -> ...?  = "os.rename"     # (int?, str?)
setlocale:  extern fun(str?, str?)    -> str?  = "os.setlocale"
time:       extern fun(any?)          -> int   = "os.time"
tmpname:    extern fun()              -> str   = "os.tmpname"