Struct bitcoin::consensus::encode::VarInt

pub struct VarInt(pub u64);

A variable-length unsigned integer.

Tuple Fields

0: u64

Implementations

impl VarInt

pub const fn size(&self) -> usize

Returns the number of bytes this varint contributes to a transaction size.

Returns 1 for 0..=0xFC, 3 for 0xFD..=(2^16-1), 5 for 0x10000..=(2^32-1), and 9 otherwise.

Trait Implementations

impl Clone for VarInt

fn clone(&self) -> VarInt

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for VarInt

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

Formats the value using the given formatter.

impl Decodable for VarInt

fn consensus_decode<R: BufRead + ?Sized>(r: &mut R) -> Result<Self, Error>

Decode an object with a well-defined format.

fn consensus_decode_from_finite_reader<R: BufRead + ?Sized>( reader: &mut R, ) -> Result<Self, Error>

Decode Self from a size-limited reader.

impl Encodable for VarInt

fn consensus_encode<W: Write + ?Sized>(&self, w: &mut W) -> Result<usize, Error>

Encodes an object with a well-defined format.

impl From<u16> for VarInt

Creates a VarInt from a usize by casting the to a u64.

fn from(x: u16) -> Self

Converts to this type from the input type.

impl From<u32> for VarInt

Creates a VarInt from a usize by casting the to a u64.

fn from(x: u32) -> Self

Converts to this type from the input type.

impl From<u64> for VarInt

Creates a VarInt from a usize by casting the to a u64.

fn from(x: u64) -> Self

Converts to this type from the input type.

impl From<u8> for VarInt

Creates a VarInt from a usize by casting the to a u64.

fn from(x: u8) -> Self

Converts to this type from the input type.

impl From<usize> for VarInt

Creates a VarInt from a usize by casting the to a u64.

fn from(x: usize) -> Self

Converts to this type from the input type.

impl Ord for VarInt

fn cmp(&self, other: &VarInt) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized + PartialOrd,

Restrict a value to a certain interval.

impl PartialEq for VarInt

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

This method tests for self and other values to be equal, and is used by ==.

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

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

impl PartialOrd for VarInt

fn partial_cmp(&self, other: &VarInt) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Eq for VarInt

impl StructuralPartialEq for VarInt