Struct Memo

pub struct Memo(/* private fields */);

Expand description

A memo associated with a Zcash shielded output.

Implementations§

impl Memo

pub fn new(data: Vec<u8>) -> Self

Creates a new instance from a vector of bytes, taking ownership.

This is the primary constructor when you have a Vec<u8> available.

pub fn len(&self) -> usize

Returns the number of bytes in this data container.

pub fn is_empty(&self) -> bool

Returns true if this data container is empty (contains no bytes).

pub fn to_vec(&self) -> Vec<u8> ⓘ

Converts this data to a Vec<u8>, creating a copy.

pub fn from_slice(data: &[u8]) -> Self

Creates an instance from a slice of bytes.

pub fn from_vec(data: Vec<u8>) -> Self

Creates an instance from a Vec<u8>, taking ownership of the vector.

pub fn from_hex(hex: &str) -> Self

Creates an instance from a hexadecimal string.

§Panics

Panics if the hex string cannot be decoded.

Trait Implementations§

impl AsRef<[u8]> for Memo

fn as_ref(&self) -> &[u8] ⓘ

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for Memo

fn clone(&self) -> Self

Returns a copy of the value. Read more

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for Memo

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

Formats the value using the given formatter. Read more

impl Default for Memo

fn default() -> Self

Returns the “default value” for a type. Read more

impl From<&[u8]> for Memo

fn from(data: &[u8]) -> Self

Converts to this type from the input type.

impl From<&Memo> for CBOR

fn from(data: &Memo) -> Self

Converts to this type from the input type.

impl From<&Memo> for Vec<u8>

fn from(data: &Memo) -> Vec<u8> ⓘ

Converts to this type from the input type.

impl From<Memo> for CBOR

fn from(data: Memo) -> Self

Converts to this type from the input type.

impl From<Memo> for Envelope

fn from(value: Memo) -> Self

Converts to this type from the input type.

impl From<Memo> for Vec<u8>

fn from(data: Memo) -> Vec<u8> ⓘ

Converts to this type from the input type.

impl From<Vec<u8>> for Memo

fn from(data: Vec<u8>) -> Self

Converts to this type from the input type.

impl PartialEq for Memo

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl TryFrom<CBOR> for Memo

type Error = Error

The type returned in the event of a conversion error.

fn try_from(cbor: CBOR) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Envelope> for Memo

type Error = Error

The type returned in the event of a conversion error.

fn try_from(envelope: Envelope) -> Result<Self, Self::Error>

Performs the conversion.

impl Eq for Memo

Auto Trait Implementations§

impl Freeze for Memo

impl RefUnwindSafe for Memo

impl Send for Memo

impl Sync for Memo

impl Unpin for Memo

impl UnwindSafe for Memo

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> CBORDecodable for T
where T: TryFrom<CBOR, Error = Error>,

fn try_from_cbor(cbor: &CBOR) -> Result<Self, Error>

impl<T> CBOREncodable for T
where T: Into<CBOR> + Clone,

fn to_cbor(&self) -> CBOR

Converts this value to a CBOR object. Read more

fn to_cbor_data(&self) -> Vec<u8> ⓘ

Converts this value directly to binary CBOR data. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dst. Read more

impl<T> EnvelopeEncodable for T
where T: Into<Envelope> + Clone,

fn into_envelope(self) -> Envelope

Converts the value into an envelope by using its Into<Envelope> implementation.

fn to_envelope(&self) -> Envelope
where Self: Clone,

Converts a reference to this value into a Gordian Envelope. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

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

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

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToHex for T
where T: AsRef<[u8]>,

fn encode_hex<U>(&self) -> U
where U: FromIterator<char>,

Encode the hex strict representing self into the result. Lower case letters are used (e.g. f9b4ca)

fn encode_hex_upper<U>(&self) -> U
where U: FromIterator<char>,

Encode the hex strict representing self into the result. Upper case letters are used (e.g. F9B4CA)

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> CBORCodable for T
where T: CBORDecodable + CBOREncodable,

impl<T> ErasedDestructor for T
where T: 'static,

impl<T> MaybeSendSync for T