27 pub struct OnceLock<T> {  struct
33 unsafe impl<T: Send> Send for OnceLock<T> {}  argument
34 unsafe impl<T: Sync> Sync for OnceLock<T> {}  implementation
40 impl<T> OnceLock<T> {  implementation
41     pub const fn new() -> OnceLock<T> {  in new()
42         OnceLock {  in new()
102 impl<T> Drop for OnceLock<T> {  implementation
111 impl<T> Default for OnceLock<T> {  implementation
112     fn default() -> OnceLock<T> {  in default()
113         OnceLock::new()  in default()
408         let lock = OnceLock::new();  in smoke_once_lock()
415         let lock = OnceLock::new();  in smoke_once_lock()
419         let lock = OnceLock::new();  in smoke_once_lock()