Struct etcommon_bigint::M256

pub struct M256(pub U256);

Represent an unsigned modulo 256-bit integer

Methods

impl M256

fn zero() -> M256

Zero value of M256,

fn one() -> M256

One value of M256,

fn max_value() -> M256

Maximum value of M256,

fn min_value() -> M256

Minimum value of M256,

fn bits(self) -> usize

Bits required to represent this value.

fn log2floor(self) -> usize

Equals floor(log2(*)). This is always an integer.

fn as_u32(&self) -> u32

Conversion to u32 with overflow checking

Panics

Panics if the number is larger than 2^32.

fn as_u64(&self) -> u64

Conversion to u64 with overflow checking

Panics

Panics if the number is larger than 2^64.

fn as_usize(&self) -> usize

Conversion to usize with overflow checking

Panics

Panics if the number is larger than usize::max_value().

fn byte(&self, index: usize) -> u8

Return specific byte.

Panics

Panics if index exceeds the byte width of the number.

fn index(&self, index: usize) -> u8

Return specific byte in big-endian format.

Panics

Panics if index exceeds the byte width of the number.

Trait Implementations

impl Eq for M256

impl PartialEq for M256

fn eq(&self, __arg_0: &M256) -> bool

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

fn ne(&self, __arg_0: &M256) -> bool

This method tests for !=.

impl Debug for M256

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Copy for M256

impl Clone for M256

fn clone(&self) -> M256

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Hash for M256

fn hash<__H: Hasher>(&self, __arg_0: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl Default for M256

fn default() -> M256

Returns the "default value" for a type.

impl FromStr for M256

type Err = ParseHexError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<M256, ParseHexError>

Parses a string s to return a value of this type.

impl Encodable for M256

fn rlp_append(&self, s: &mut RlpStream)

Append a value to the stream

fn rlp_bytes(&self) -> ElasticArray1024<u8>

Get rlp-encoded bytes for this instance

impl Decodable for M256

fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError>

Decode a value from RLP bytes

impl From<u64> for M256

fn from(val: u64) -> M256

Performs the conversion.

impl Into<u64> for M256

fn into(self) -> u64

Performs the conversion.

impl From<usize> for M256

fn from(val: usize) -> M256

Performs the conversion.

impl<'a> From<&'a [u8]> for M256

fn from(val: &'a [u8]) -> M256

Performs the conversion.

impl From<bool> for M256

fn from(val: bool) -> M256

Performs the conversion.

impl From<U256> for M256

fn from(val: U256) -> M256

Performs the conversion.

impl Into<U256> for M256

fn into(self) -> U256

Performs the conversion.

impl From<U512> for M256

fn from(val: U512) -> M256

Performs the conversion.

impl Into<U512> for M256

fn into(self) -> U512

Performs the conversion.

impl From<i32> for M256

fn from(val: i32) -> M256

Performs the conversion.

impl From<H256> for M256

fn from(val: H256) -> M256

Performs the conversion.

impl From<H160> for M256

fn from(val: H160) -> M256

Performs the conversion.

impl Ord for M256

fn cmp(&self, other: &M256) -> Ordering

This method returns an Ordering between self and other.

impl PartialOrd for M256

fn partial_cmp(&self, other: &M256) -> 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 BitAnd<M256> for M256

type Output = M256

The resulting type after applying the & operator

fn bitand(self, other: M256) -> M256

The method for the & operator

impl BitOr<M256> for M256

type Output = M256

The resulting type after applying the | operator

fn bitor(self, other: M256) -> M256

The method for the | operator

impl BitXor<M256> for M256

type Output = M256

The resulting type after applying the ^ operator

fn bitxor(self, other: M256) -> M256

The method for the ^ operator

impl Shl<usize> for M256

type Output = M256

The resulting type after applying the << operator

fn shl(self, shift: usize) -> M256

The method for the << operator

impl Shr<usize> for M256

type Output = M256

The resulting type after applying the >> operator

fn shr(self, shift: usize) -> M256

The method for the >> operator

impl Add<M256> for M256

type Output = M256

The resulting type after applying the + operator

fn add(self, other: M256) -> M256

The method for the + operator

impl Sub<M256> for M256

type Output = M256

The resulting type after applying the - operator

fn sub(self, other: M256) -> M256

The method for the - operator

impl Mul<M256> for M256

type Output = M256

The resulting type after applying the * operator

fn mul(self, other: M256) -> M256

The method for the * operator

impl Div for M256

type Output = M256

The resulting type after applying the / operator

fn div(self, other: M256) -> M256

The method for the / operator

impl Rem for M256

type Output = M256

The resulting type after applying the % operator

fn rem(self, other: M256) -> M256

The method for the % operator

impl Not for M256

type Output = M256

The resulting type after applying the ! operator

fn not(self) -> M256

The method for the unary ! operator

impl LowerHex for M256

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

Formats the value using the given formatter.

impl UpperHex for M256

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

Formats the value using the given formatter.