rust/alloc/boxed.rs

212     /// let five = Box::new(5);
231     /// let mut five = Box::<u32>::new_uninit();
233     /// let five = unsafe {
235     ///     five.as_mut_ptr().write(5);
237     ///     five.assume_init()
240     /// assert_eq!(*five, 5)
301     /// let five = Box::try_new(5)?;
318     /// let mut five = Box::<u32>::try_new_uninit()?;
320     /// let five = unsafe {
322     ///     five.as_mut_ptr().write(5);
324     ///     five.assume_init()
327     /// assert_eq!(*five, 5);
376     /// let five = Box::new_in(5, System);
405     /// let five = Box::try_new_in(5, System)?;
430     /// let mut five = Box::<u32, _>::new_uninit_in(System);
432     /// let five = unsafe {
434     ///     five.as_mut_ptr().write(5);
436     ///     five.assume_init()
439     /// assert_eq!(*five, 5)
468     /// let mut five = Box::<u32, _>::try_new_uninit_in(System)?;
470     /// let five = unsafe {
472     ///     five.as_mut_ptr().write(5);
474     ///     five.assume_init()
477     /// assert_eq!(*five, 5);
815     /// let mut five = Box::<u32>::new_uninit();
817     /// let five: Box<u32> = unsafe {
819     ///     five.as_mut_ptr().write(5);
821     ///     five.assume_init()
824     /// assert_eq!(*five, 5)