Struct rustpython_common::atomic::OncePtr

pub struct OncePtr<T> { /* private fields */ }

Implementations

impl<T> OncePtr<T>

pub fn new() -> Self

pub fn get(&self) -> Option<NonNull<T>>

pub fn set(&self, value: NonNull<T>) -> Result<(), NonNull<T>>

pub fn get_or_init<F>(&self, f: F) -> NonNull<T>

where F: FnOnce() -> Box<T>,

pub fn get_or_try_init<F, E>(&self, f: F) -> Result<NonNull<T>, E>

where F: FnOnce() -> Result<Box<T>, E>,

Trait Implementations

impl<T> Default for OncePtr<T>

fn default() -> Self

Returns the “default value” for a type.