/- Copyright (c) 2018 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Leonardo de Moura -/ prelude import init.data.nat.basic namespace System namespace Platform @[extern "lean_system_platform_nbits"] constant getNumBits : Unit → Nat := default _ @[extern "lean_system_platform_windows"] constant getIsWindows : Unit → Bool := default _ def numBits : Nat := getNumBits () def isWindows : Bool := getIsWindows () end Platform end System