Constant tango::SRC_DIR

pub const SRC_DIR: LocalKey<RefCell<String>> = {
    #[inline]
    fn __init() -> RefCell<String> { <RefCell>::new("src".to_string()) }
    unsafe fn __getit()
     ->
         ::option::Option<&'static ::cell::UnsafeCell<::option::Option<RefCell<String>>>> {
                                                                                              #[thread_local]
                                                                                              #[cfg(target_thread_local)]
                                                                                              static __KEY:
                                                                                                     ::thread::__FastLocalKeyInner<RefCell<String>>
                                                                                                     =
                                                                                                  <::thread::__FastLocalKeyInner>::new();
                                                                                              __KEY.get()
                                                                                          }
    unsafe { <::thread::LocalKey>::new(__getit, __init) }
}