768 pub unsafe trait PinInit<T: ?Sized, E = Infallible>: Sized {
777     unsafe fn __pinned_init(self, slot: *mut T) -> Result<(), E>;  in __pinned_init()  argument
818     fn pin_chain<F>(self, f: F) -> ChainPinInit<Self, F, T, E>  in pin_chain()  argument
820         F: FnOnce(Pin<&mut T>) -> Result<(), E>,  in pin_chain()
827 pub struct ChainPinInit<I, F, T: ?Sized, E>(I, F, __internal::Invariant<(E, Box<T>)>);
833 unsafe impl<T: ?Sized, E, I, F> PinInit<T, E> for ChainPinInit<I, F, T, E>
835     I: PinInit<T, E>,
836     F: FnOnce(Pin<&mut T>) -> Result<(), E>,
838     unsafe fn __pinned_init(self, slot: *mut T) -> Result<(), E> {  in __pinned_init()  argument
883 pub unsafe trait Init<T: ?Sized, E = Infallible>: PinInit<T, E> {
891     unsafe fn __init(self, slot: *mut T) -> Result<(), E>;  in __init()  argument
920     fn chain<F>(self, f: F) -> ChainInit<Self, F, T, E>  in chain()  argument
922         F: FnOnce(&mut T) -> Result<(), E>,  in chain()
929 pub struct ChainInit<I, F, T: ?Sized, E>(I, F, __internal::Invariant<(E, Box<T>)>);
934 unsafe impl<T: ?Sized, E, I, F> Init<T, E> for ChainInit<I, F, T, E>
936     I: Init<T, E>,
937     F: FnOnce(&mut T) -> Result<(), E>,
939     unsafe fn __init(self, slot: *mut T) -> Result<(), E> {  in __init()  argument
952 unsafe impl<T: ?Sized, E, I, F> PinInit<T, E> for ChainInit<I, F, T, E>
954     I: Init<T, E>,
955     F: FnOnce(&mut T) -> Result<(), E>,
957     unsafe fn __pinned_init(self, slot: *mut T) -> Result<(), E> {  in __pinned_init()  argument
976 pub const unsafe fn pin_init_from_closure<T: ?Sized, E>(  in pin_init_from_closure()  argument
977     f: impl FnOnce(*mut T) -> Result<(), E>,  in pin_init_from_closure()
978 ) -> impl PinInit<T, E> {  in pin_init_from_closure()
995 pub const unsafe fn init_from_closure<T: ?Sized, E>(  in init_from_closure()  argument
996     f: impl FnOnce(*mut T) -> Result<(), E>,  in init_from_closure()
997 ) -> impl Init<T, E> {  in init_from_closure()
1005 pub fn uninit<T, E>() -> impl Init<MaybeUninit<T>, E> {  in uninit()  argument
1019 pub fn init_array_from_fn<I, const N: usize, T, E>(  in init_array_from_fn()  argument
1021 ) -> impl Init<[T; N], E>  in init_array_from_fn()
1023     I: Init<T, E>,
1063 pub fn pin_init_array_from_fn<I, const N: usize, T, E>(  in pin_init_array_from_fn()  argument
1065 ) -> impl PinInit<[T; N], E>  in pin_init_array_from_fn()
1067     I: PinInit<T, E>,
1098 unsafe impl<T, E> Init<T, E> for T {
1099     unsafe fn __init(self, slot: *mut T) -> Result<(), E> {  in __init()  argument
1106 unsafe impl<T, E> PinInit<T, E> for T {
1107     unsafe fn __pinned_init(self, slot: *mut T) -> Result<(), E> {  in __pinned_init()  argument
1118     fn try_pin_init<E>(init: impl PinInit<T, E>) -> Result<Pin<Self>, E>  in try_pin_init()
1120         E: From<AllocError>;  in try_pin_init()
1126     fn pin_init<E>(init: impl PinInit<T, E>) -> error::Result<Pin<Self>>  in pin_init()  argument
1128         Error: From<E>,  in pin_init()
1138     fn try_init<E>(init: impl Init<T, E>) -> Result<Self, E>  in try_init()
1140         E: From<AllocError>;  in try_init()
1143     fn init<E>(init: impl Init<T, E>) -> error::Result<Self>  in init()  argument
1145         Error: From<E>,  in init()
1157     fn try_pin_init<E>(init: impl PinInit<T, E>) -> Result<Pin<Self>, E>  in try_pin_init()
1159         E: From<AllocError>,  in try_pin_init()
1171     fn try_init<E>(init: impl Init<T, E>) -> Result<Self, E>  in try_init()
1173         E: From<AllocError>,  in try_init()
1187     fn try_pin_init<E>(init: impl PinInit<T, E>) -> Result<Pin<Self>, E>  in try_pin_init()
1189         E: From<AllocError>,  in try_pin_init()
1201     fn try_init<E>(init: impl Init<T, E>) -> Result<Self, E>  in try_init()
1203         E: From<AllocError>,  in try_init()
1344 impl_tuple_zeroable!(A, B, C, D, E, F, G, H, I, J);