extern"C"{fnanswer()->u32;}// For the purpose of this wasm example, we don't worry about multi-threading,
// and will be using the PLACE in unsafe manner below.
staticmutPLACE:u32=23;#[no_mangle]pubextern"C"fnbar()->*constu32{unsafe{PLACE=answer();// Return a pointer to the exported memory.
(&PLACE)as*constu32}}