Struct Decimal 

pub struct Decimal { /* private fields */ }

An exact checked base-10 decimal backed by an i128 coefficient.

Implementations

impl Decimal

pub const ZERO: Self

pub fn new(coefficient: i128, scale: u8) -> Result<Self, DecimalError>

pub const fn coefficient(self) -> i128

pub const fn scale(self) -> u8

pub const fn is_zero(self) -> bool

pub const fn is_positive(self) -> bool

pub const fn is_negative(self) -> bool

pub fn checked_add(self, rhs: Self) -> Result<Self, DecimalError>

pub fn checked_sub(self, rhs: Self) -> Result<Self, DecimalError>

pub fn checked_mul(self, rhs: Self) -> Result<Self, DecimalError>

pub fn checked_from_f64(value: f64) -> Result<Self, DecimalError>

pub fn checked_rescale(self, scale: u8) -> Result<Self, DecimalError>

Trait Implementations

impl Clone for Decimal

fn clone(&self) -> Decimal

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Decimal

impl Debug for Decimal

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Decimal

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Decimal

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

Formats the value using the given formatter.

impl Eq for Decimal

impl From<NonNegativeDecimal> for Decimal

fn from(value: NonNegativeDecimal) -> Self

Converts to this type from the input type.

impl From<PositiveDecimal> for Decimal

fn from(value: PositiveDecimal) -> Self

Converts to this type from the input type.

impl From<Price> for Decimal

fn from(value: Price) -> Self

Converts to this type from the input type.

impl From<Quantity> for Decimal

fn from(value: Quantity) -> Self

Converts to this type from the input type.

impl FromStr for Decimal

type Err = DecimalError

The associated error which can be returned from parsing.

fn from_str(value: &str) -> Result<Self, Self::Err>

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

impl Hash for Decimal

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

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for Decimal

fn cmp(&self, other: &Self) -> 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,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

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

Restrict a value to a certain range.

impl PartialEq for Decimal

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for Decimal

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

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

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

Tests less than (for self and other) and is used by the < operator.

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

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

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

Tests greater than (for self and other) and is used by the > operator.

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

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

impl Serialize for Decimal

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Decimal

impl TryFrom<Decimal> for PositiveDecimal

type Error = DecimalError

The type returned in the event of a conversion error.

fn try_from(value: Decimal) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Decimal> for NonNegativeDecimal

type Error = DecimalError

The type returned in the event of a conversion error.

fn try_from(value: Decimal) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Decimal> for Price

type Error = DecimalError

The type returned in the event of a conversion error.

fn try_from(value: Decimal) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Decimal> for Quantity

type Error = DecimalError

The type returned in the event of a conversion error.

fn try_from(value: Decimal) -> Result<Self, Self::Error>

Performs the conversion.