Struct VarInt 

pub struct VarInt(pub u64);

Variable-integer encoding.

Integer can be encoded depending on the represented value to save space. Variable length integers always precede an array/vector of a type of data that may vary in length. Longer numbers are encoded in little endian.

Value	Storage length	Format
<= 0xfc	1	u8
<= 0xffff	3	0xfd followed by value as u16
<= 0xffffffff	5	0xfe followed by value as u32
-	9	0xff followed by value as u64

See also Bitcoin variable length integers.

Tuple Fields

0: u64

Implementations

impl VarInt

pub fn length(&self) -> usize

Gets the length of this VarInt when encoded. Returns:

• 1 for 0..0xFC
• 3 for 0xFD..(2^16-1)
• 5 for 0x10000..(2^32-1)
• 9 otherwise

Trait Implementations

impl Debug for VarInt

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

Formats the value using the given formatter.

impl Decodable for VarInt

fn decode<D: Read>(d: &mut D) -> Result<Self, Error>

impl Encodable for VarInt

fn encode<S: Write>(&self, s: &mut S) -> Result<usize, Error>

Encode an object with a well-defined format. Should only ever error if the underlying Write errors. Returns the number of bytes written on success.

impl Eq for VarInt

impl PartialEq for VarInt

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

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

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 StructuralPartialEq for VarInt