Struct OutFrame
pub struct OutFrame<'a, T> {
ptr: *mut T,
init: bool,
lt: PhantomData<&'a mut T>,
}
Expand description
A potentially initialized frame. Used when initializing a new frame in the main loop.
Fields§
§ptr: *mut T
§init: bool
§lt: PhantomData<&'a mut T>
Implementations§
§impl<'a, T> OutFrame<'a, T>
impl<'a, T> OutFrame<'a, T>
pub fn new_init(slot: &'a mut T) -> OutFrame<'a, T>
pub fn new_init(slot: &'a mut T) -> OutFrame<'a, T>
Creates a new initialized OutFrame
from a mutable reference to a type T
.
pub fn new_uninit(slot: &'a mut MaybeUninit<T>) -> OutFrame<'a, T>
pub fn new_uninit(slot: &'a mut MaybeUninit<T>) -> OutFrame<'a, T>
Creates a new uninitialized OutFrame
from a mutable reference to a MaybeUninit<T>
.
pub unsafe fn new_maybe_uninit(ptr: *mut T, init: bool) -> OutFrame<'a, T>
pub unsafe fn new_maybe_uninit(ptr: *mut T, init: bool) -> OutFrame<'a, T>
Creates a new OutFrame
from a raw pointer to a type T
.
§Safety
This method is unsafe because it assumes that the pointer is valid and points to a location
where a type T
can be stored. It also assumes that the init
flag correctly reflects whether
the type T
has been initialized or not.
pub fn get(&mut self, f: impl FnOnce() -> T) -> &mut T
pub fn get(&mut self, f: impl FnOnce() -> T) -> &mut T
Returns a mutable reference to the type T
, initializing it if it hasn’t been initialized yet.
pub unsafe fn get_unchecked(&mut self) -> &mut T
pub unsafe fn get_unchecked(&mut self) -> &mut T
Returns a mutable reference to the type T
, without checking if it has been initialized.
§Safety
This method is unsafe because it assumes that the OutFrame
has been initialized before use.
pub fn consume(self) -> FrameToken
pub fn consume(self) -> FrameToken
Consumes the OutFrame
, returning a FrameToken
that indicates the frame has been initialized.
Auto Trait Implementations§
impl<'a, T> Freeze for OutFrame<'a, T>
impl<'a, T> RefUnwindSafe for OutFrame<'a, T>where
T: RefUnwindSafe,
impl<'a, T> !Send for OutFrame<'a, T>
impl<'a, T> !Sync for OutFrame<'a, T>
impl<'a, T> Unpin for OutFrame<'a, T>
impl<'a, T> !UnwindSafe for OutFrame<'a, T>
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Size: 16 bytes