Struct bson::decimal128::Decimal128

pub struct Decimal128 { /* fields omitted */ }

Decimal128 type

Methods

impl Decimal128

pub fn from_str(s: &str) -> Decimal128

Construct a Decimal128 from string.

For example:

• NaN
• Infinity or Inf
• 1.0, +37.0, 0.73e-7, .5

use bson::decimal128::Decimal128;

let dec128 = Decimal128::from_str("1.05E+3");

pub fn from_i32(d: i32) -> Decimal128

Construct a Decimal128 from a i32 number.

use bson::decimal128::Decimal128;

let num: i32 = 23;
let dec128 = Decimal128::from_i32(num);

pub fn from_u32(d: u32) -> Decimal128

Construct a Decimal128 from a u32 number.

use bson::decimal128::Decimal128;

let num: u32 = 78;
let dec128 = Decimal128::from_u32(num);

pub fn into_i32(&self) -> i32

Deprecated since 0.15.0:

Replaced by to_i32

Construct a Decimal128 from a i32 number.

use bson::decimal128::Decimal128;

let num: i32 = 23;
let dec128 = Decimal128::from_i32(num);
let int = dec128.into_i32();
assert_eq!(int, num);

pub fn to_i32(&self) -> i32

Construct a Decimal128 from a i32 number.

use bson::decimal128::Decimal128;

let num: i32 = 23;
let dec128 = Decimal128::from_i32(num);
let int = dec128.to_i32();
assert_eq!(int, num);

pub fn into_u32(&self) -> u32

Deprecated since 0.15.0:

Replaced by to_u32

Construct a Decimal128 from a i32 number.

use bson::decimal128::Decimal128;

let num: u32 = 23;
let dec128 = Decimal128::from_u32(num);
let int = dec128.into_u32();
assert_eq!(int, num);

pub fn to_u32(&self) -> u32

Construct a Decimal128 from a i32 number.

use bson::decimal128::Decimal128;

let num: u32 = 23;
let dec128 = Decimal128::from_u32(num);
let int = dec128.to_u32();
assert_eq!(int, num);

pub fn zero() -> Decimal128

Create a new Decimal128 as 0.

use bson::decimal128::Decimal128;

let dec128 = Decimal128::zero();

pub fn is_nan(&self) -> bool

Check if value is NaN

use bson::decimal128::Decimal128;

let num: u32 = 78;
let dec128 = Decimal128::from_u32(num);
assert!(!dec128.is_nan());

pub fn is_zero(&self) -> bool

Check if value is 0

use bson::decimal128::Decimal128;

let num: u32 = 0;
let dec128 = Decimal128::from_u32(num);
assert!(dec128.is_zero());

Trait Implementations

impl Clone for Decimal128

fn clone(&self) -> Decimal128

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Decimal128

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

Formats the value using the given formatter.

impl Default for Decimal128

fn default() -> Decimal128

Returns the "default value" for a type.

impl<'de> Deserialize<'de> for Decimal128

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
    D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl Display for Decimal128

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

Formats the value using the given formatter.

impl From<d128> for Decimal128

fn from(d: d128) -> Decimal128

Performs the conversion.

impl FromStr for Decimal128

type Err = ()

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Decimal128, ()>

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

impl Into<d128> for Decimal128

fn into(self) -> d128

Performs the conversion.

impl LowerExp for Decimal128

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

Formats the value using the given formatter.

impl LowerHex for Decimal128

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

Formats the value using the given formatter.

impl PartialEq<Decimal128> for Decimal128

fn eq(&self, other: &Decimal128) -> bool

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

fn ne(&self, other: &Decimal128) -> bool

This method tests for !=.

impl PartialOrd<Decimal128> for Decimal128

fn partial_cmp(&self, other: &Decimal128) -> Option<Ordering>

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

fn lt(&self, other: &Decimal128) -> bool

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

fn le(&self, other: &Decimal128) -> bool

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

fn gt(&self, other: &Decimal128) -> bool

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

fn ge(&self, other: &Decimal128) -> bool

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

impl Serialize for Decimal128

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 Decimal128