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Ref

sealevel_tools::entrypoint

Struct Ref 

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pub struct Ref<'a, T>
where
    T: ?Sized,
{ /* private fields */ }

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impl<'a, T> Ref<'a, T>
where T: ?Sized,

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pub fn map<U, F>(orig: Ref<'a, T>, f: F) -> Ref<'a, U>
where F: FnOnce(&T) -> &U, U: ?Sized,

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pub fn filter_map<U, F>( orig: Ref<'a, T>, f: F, ) -> Result<Ref<'a, U>, Ref<'a, T>>
where F: FnOnce(&T) -> Option<&U>, U: ?Sized,

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impl<'a, T> Debug for Ref<'a, T>
where T: Debug + ?Sized,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl<'a, T> Deref for Ref<'a, T>
where T: ?Sized,

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &<Ref<'a, T> as Deref>::Target

Dereferences the value.
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impl<'a, T> Drop for Ref<'a, T>
where T: ?Sized,

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fn drop(&mut self)

Executes the destructor for this type. Read more
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fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)
Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned. Read more

Auto Trait Implementations§

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impl<'a, T> !Send for Ref<'a, T>

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impl<'a, T> !Sync for Ref<'a, T>

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impl<'a, T> Freeze for Ref<'a, T>
where NonNull<T>: Freeze, PhantomData<&'a T>: Freeze, T: ?Sized,

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impl<'a, T> RefUnwindSafe for Ref<'a, T>
where NonNull<T>: RefUnwindSafe, PhantomData<&'a T>: RefUnwindSafe, T: ?Sized,

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impl<'a, T> Unpin for Ref<'a, T>
where NonNull<T>: Unpin, PhantomData<&'a T>: Unpin, T: ?Sized,

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impl<'a, T> UnsafeUnpin for Ref<'a, T>
where NonNull<T>: UnsafeUnpin, PhantomData<&'a T>: UnsafeUnpin, T: ?Sized,

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impl<'a, T> UnwindSafe for Ref<'a, T>
where NonNull<T>: UnwindSafe, PhantomData<&'a T>: UnwindSafe, T: ?Sized,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<Container> Signer for Container
where Container: Deref<Target = impl Signer + ?Sized>,

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fn pubkey(&self) -> Pubkey

Infallibly gets the implementor’s public key. Returns the all-zeros Pubkey if the implementor has none.
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fn try_pubkey(&self) -> Result<Pubkey, SignerError>

Fallibly gets the implementor’s public key
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fn sign_message(&self, message: &[u8]) -> Signature

Infallibly produces an Ed25519 signature over the provided message bytes. Returns the all-zeros Signature if signing is not possible.
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fn try_sign_message(&self, message: &[u8]) -> Result<Signature, SignerError>

Fallibly produces an Ed25519 signature over the provided message bytes.
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fn is_interactive(&self) -> bool

Whether the implementation requires user interaction to sign
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V