Struct Number 

pub struct Number { /* private fields */ }

Implementations

impl Number

pub fn is_finite(value: &JsValue) -> bool

impl Number

pub fn is_integer(value: &JsValue) -> bool

impl Number

pub fn is_nan(value: &JsValue) -> bool

impl Number

pub fn is_safe_integer(value: &JsValue) -> bool

impl Number

pub fn new(value: &JsValue) -> Number

👎Deprecated:

recommended to use Number::from instead

impl Number

pub fn parse_int(text: &str, radix: u8) -> f64

impl Number

pub fn parse_float(text: &str) -> f64

impl Number

pub fn to_locale_string(&self, locale: &str) -> JsString

impl Number

pub fn to_precision(&self, precision: u8) -> Result<JsString, JsValue>

impl Number

pub fn to_fixed(&self, digits: u8) -> Result<JsString, JsValue>

impl Number

pub fn to_exponential(&self, fraction_digits: u8) -> Result<JsString, JsValue>

impl Number

pub fn to_string(&self, radix: u8) -> Result<JsString, JsValue>

👎Deprecated:

Use Number::to_string_with_radix instead.

impl Number

pub fn to_string_with_radix(&self, radix: u8) -> Result<JsString, JsValue>

impl Number

pub fn value_of(&self) -> f64

impl Number

pub const EPSILON: f64 = f64::EPSILON

The smallest interval between two representable numbers.

MDN Documentation

pub const MAX_SAFE_INTEGER: f64 = 9007199254740991.0

The maximum safe integer in JavaScript (2^53 - 1).

MDN Documentation

pub const MAX_VALUE: f64 = f64::MAX

The largest positive representable number.

MDN Documentation

pub const MIN_SAFE_INTEGER: f64 = -9007199254740991.0

The minimum safe integer in JavaScript (-(2^53 - 1)).

MDN Documentation

pub const MIN_VALUE: f64 = 5E-324

The smallest positive representable number—that is, the positive number closest to zero (without actually being zero).

MDN Documentation

pub const NAN: f64 = f64::NAN

Special “Not a Number” value.

MDN Documentation

pub const NEGATIVE_INFINITY: f64 = f64::NEG_INFINITY

Special value representing negative infinity. Returned on overflow.

MDN Documentation

pub const POSITIVE_INFINITY: f64 = f64::INFINITY

Special value representing infinity. Returned on overflow.

MDN Documentation

pub fn pow(&self, rhs: &Self) -> Self

Applies the binary ** JS operator on the two Numbers.

MDN documentation

pub fn unsigned_shr(&self, rhs: &Self) -> Self

Applies the binary >>> JS operator on the two Numbers.

MDN documentation

Methods from Deref<Target = Object>

pub fn constructor(&self) -> Function

pub fn has_own_property(&self, property: &JsValue) -> bool

👎Deprecated:

Use Object::hasOwn instead.

pub fn is_prototype_of(&self, value: &JsValue) -> bool

pub fn property_is_enumerable(&self, property: &JsValue) -> bool

pub fn to_locale_string(&self) -> JsString

pub fn to_string(&self) -> JsString

pub fn to_js_string(&self) -> JsString

pub fn value_of(&self) -> Object

Methods from Deref<Target = JsValue>

pub const NULL: JsValue

pub const UNDEFINED: JsValue

pub const TRUE: JsValue

pub const FALSE: JsValue

pub fn unchecked_into_f64(&self) -> f64

Returns the value as f64 without type checking. Used by serde-wasm-bindgen for numeric conversions.

pub fn has_type<T>(&self) -> bool

where T: JsCast,

Check if this value is an instance of a specific JS type.

pub fn checked_div(&self, rhs: &JsValue) -> JsValue

Checked division.

pub fn pow(&self, rhs: &JsValue) -> JsValue

Power operation.

pub fn bit_and(&self, rhs: &JsValue) -> JsValue

Bitwise AND.

pub fn bit_or(&self, rhs: &JsValue) -> JsValue

Bitwise OR.

pub fn bit_xor(&self, rhs: &JsValue) -> JsValue

Bitwise XOR.

pub fn bit_not(&self) -> JsValue

Bitwise NOT.

pub fn shl(&self, rhs: &JsValue) -> JsValue

Left shift.

pub fn shr(&self, rhs: &JsValue) -> JsValue

Signed right shift.

pub fn unsigned_shr(&self, rhs: &JsValue) -> u32

Unsigned right shift.

pub fn add(&self, rhs: &JsValue) -> JsValue

Add.

pub fn sub(&self, rhs: &JsValue) -> JsValue

Subtract.

pub fn mul(&self, rhs: &JsValue) -> JsValue

Multiply.

pub fn div(&self, rhs: &JsValue) -> JsValue

Divide.

pub fn rem(&self, rhs: &JsValue) -> JsValue

Remainder.

pub fn neg(&self) -> JsValue

Negate.

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

Less than comparison.

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

Less than or equal comparison.

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

Greater than comparison.

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

Greater than or equal comparison.

pub fn loose_eq(&self, other: &JsValue) -> bool

Loose equality (==).

pub fn is_falsy(&self) -> bool

Check if this value is a falsy value in JavaScript.

pub fn is_truthy(&self) -> bool

Check if this value is a truthy value in JavaScript.

pub fn is_object(&self) -> bool

Check if this value is an object.

pub fn is_function(&self) -> bool

Check if this value is a function.

pub fn is_string(&self) -> bool

Check if this value is a string.

pub fn is_symbol(&self) -> bool

Check if this value is a symbol.

pub fn is_bigint(&self) -> bool

Check if this value is a bigint.

pub fn is_array(&self) -> bool

Check if this value is an Array.

pub fn is_undefined(&self) -> bool

Check if this value is undefined.

pub fn is_null(&self) -> bool

Check if this value is null.

pub fn is_null_or_undefined(&self) -> bool

Check if this value is null or undefined.

pub fn js_typeof(&self) -> JsValue

Get the typeof this value as a string.

pub fn js_in(&self, obj: &JsValue) -> bool

Check if this value has a property with the given name.

pub fn as_bool(&self) -> Option<bool>

Get the value as a bool.

pub fn as_f64(&self) -> Option<f64>

Get the value as an f64.

pub fn as_string(&self) -> Option<String>

Get the value as a string.

pub fn as_debug_string(&self) -> String

Get a debug string representation of the value.

Trait Implementations

impl Add for Number

type Output = <&'static Number as Add>::Output

The resulting type after applying the + operator.

fn add(self, other: Number) -> Self::Output

Performs the + operation.

impl Add<&Number> for &Number

type Output = Number

The resulting type after applying the + operator.

fn add(self, other: &Number) -> Self::Output

Performs the + operation.

impl Add<&Number> for Number

type Output = <&'static Number as Add>::Output

The resulting type after applying the + operator.

fn add(self, other: &Number) -> Self::Output

Performs the + operation.

impl<'a> Add<Number> for &'a Number

type Output = <&'static Number as Add>::Output

The resulting type after applying the + operator.

fn add(self, other: Number) -> Self::Output

Performs the + operation.

impl AsRef<JsValue> for Number

fn as_ref(&self) -> &JsValue

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<Number> for Number

fn as_ref(&self) -> &Number

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<Object> for Number

fn as_ref(&self) -> &Object

Converts this type into a shared reference of the (usually inferred) input type.

impl BatchableResult for Number

fn try_placeholder(batch: &mut Runtime<'_>) -> Option<Self>

impl BinaryDecode for Number

fn decode(decoder: &mut DecodedData<'_>) -> Result<Self, DecodeError>

impl BinaryEncode for Number

fn encode(self, encoder: &mut EncodedData)

impl BitAnd for Number

type Output = <&'static Number as BitAnd>::Output

The resulting type after applying the & operator.

fn bitand(self, other: Number) -> Self::Output

Performs the & operation.

impl BitAnd<&Number> for &Number

type Output = Number

The resulting type after applying the & operator.

fn bitand(self, other: &Number) -> Self::Output

Performs the & operation.

impl BitAnd<&Number> for Number

type Output = <&'static Number as BitAnd>::Output

The resulting type after applying the & operator.

fn bitand(self, other: &Number) -> Self::Output

Performs the & operation.

impl<'a> BitAnd<Number> for &'a Number

type Output = <&'static Number as BitAnd>::Output

The resulting type after applying the & operator.

fn bitand(self, other: Number) -> Self::Output

Performs the & operation.

impl BitOr for Number

type Output = <&'static Number as BitOr>::Output

The resulting type after applying the | operator.

fn bitor(self, other: Number) -> Self::Output

Performs the | operation.

impl BitOr<&Number> for &Number

type Output = Number

The resulting type after applying the | operator.

fn bitor(self, other: &Number) -> Self::Output

Performs the | operation.

impl BitOr<&Number> for Number

type Output = <&'static Number as BitOr>::Output

The resulting type after applying the | operator.

fn bitor(self, other: &Number) -> Self::Output

Performs the | operation.

impl<'a> BitOr<Number> for &'a Number

type Output = <&'static Number as BitOr>::Output

The resulting type after applying the | operator.

fn bitor(self, other: Number) -> Self::Output

Performs the | operation.

impl BitXor for Number

type Output = <&'static Number as BitXor>::Output

The resulting type after applying the ^ operator.

fn bitxor(self, other: Number) -> Self::Output

Performs the ^ operation.

impl BitXor<&Number> for &Number

type Output = Number

The resulting type after applying the ^ operator.

fn bitxor(self, other: &Number) -> Self::Output

Performs the ^ operation.

impl BitXor<&Number> for Number

type Output = <&'static Number as BitXor>::Output

The resulting type after applying the ^ operator.

fn bitxor(self, other: &Number) -> Self::Output

Performs the ^ operation.

impl<'a> BitXor<Number> for &'a Number

type Output = <&'static Number as BitXor>::Output

The resulting type after applying the ^ operator.

fn bitxor(self, other: Number) -> Self::Output

Performs the ^ operation.

impl Clone for Number

fn clone(&self) -> Number

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Number

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

Formats the value using the given formatter.

impl Default for Number

fn default() -> Self

Returns the “default value” for a type.

impl Deref for Number

type Target = Object

The resulting type after dereferencing.

fn deref(&self) -> &Object

Dereferences the value.

impl Display for Number

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

Formats the value using the given formatter.

impl Div for Number

type Output = <&'static Number as Div>::Output

The resulting type after applying the / operator.

fn div(self, other: Number) -> Self::Output

Performs the / operation.

impl Div<&Number> for &Number

type Output = Number

The resulting type after applying the / operator.

fn div(self, other: &Number) -> Self::Output

Performs the / operation.

impl Div<&Number> for Number

type Output = <&'static Number as Div>::Output

The resulting type after applying the / operator.

fn div(self, other: &Number) -> Self::Output

Performs the / operation.

impl<'a> Div<Number> for &'a Number

type Output = <&'static Number as Div>::Output

The resulting type after applying the / operator.

fn div(self, other: Number) -> Self::Output

Performs the / operation.

impl EncodeTypeDef for Number

fn encode_type_def(type_def: &mut TypeDef)

impl ErasableGeneric for Number

type Repr = JsValue

impl From<&Number> for f64

fn from(n: &Number) -> f64

Converts to this type from the input type.

impl From<JsValue> for Number

fn from(val: JsValue) -> Self

Converts to this type from the input type.

impl From<Number> for JsValue

fn from(val: Number) -> Self

Converts to this type from the input type.

impl From<Number> for Object

fn from(val: Number) -> Object

Converts to this type from the input type.

impl From<Number> for f64

fn from(n: Number) -> f64

Converts to this type from the input type.

impl From<f32> for Number

fn from(x: f32) -> Number

Converts to this type from the input type.

impl From<f64> for Number

fn from(x: f64) -> Number

Converts to this type from the input type.

impl From<i8> for Number

fn from(x: i8) -> Number

Converts to this type from the input type.

impl From<i16> for Number

fn from(x: i16) -> Number

Converts to this type from the input type.

impl From<i32> for Number

fn from(x: i32) -> Number

Converts to this type from the input type.

impl From<u8> for Number

fn from(x: u8) -> Number

Converts to this type from the input type.

impl From<u16> for Number

fn from(x: u16) -> Number

Converts to this type from the input type.

impl From<u32> for Number

fn from(x: u32) -> Number

Converts to this type from the input type.

impl FromStr for Number

Available on non-js_sys_unstable_apis only.

type Err = Infallible

The associated error which can be returned from parsing.

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

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

impl IntoJsGeneric for Number

where Number: JsGeneric,

type JsCanon = Number

fn to_js(self) -> Self::JsCanon

impl JsCast for Number

fn instanceof(__val: &JsValue) -> bool

Check if a JsValue is an instance of this type.

fn is_type_of(__val: &JsValue) -> bool

Performs a dynamic type check to see whether the JsValue provided is a value of this type.

fn unchecked_from_js(val: JsValue) -> Self

Unchecked cast from JsValue to this type.

fn unchecked_from_js_ref(val: &JsValue) -> &Self

Unchecked cast from a JsValue reference to a reference of this type.

fn has_type<T>(&self) -> bool

where T: JsCast,

Test whether this JS value has a type T.

fn dyn_into<T>(self) -> Result<T, Self>

where T: JsCast,

Try to cast this value to type T.

fn dyn_ref<T>(&self) -> Option<&T>

where T: JsCast,

Try to get a reference to type T from this value.

fn is_instance_of<T>(&self) -> bool

where T: JsCast,

Test whether this JS value is an instance of the type T.

fn unchecked_into<T>(self) -> T

where T: JsCast,

Unchecked cast to another type.

fn unchecked_ref<T>(&self) -> &T

where T: JsCast,

Unchecked cast to a reference of another type.

impl JsRefEncode for Number

fn js_ref(&self) -> JsRef

impl Mul for Number

type Output = <&'static Number as Mul>::Output

The resulting type after applying the * operator.

fn mul(self, other: Number) -> Self::Output

Performs the * operation.

impl Mul<&Number> for &Number

type Output = Number

The resulting type after applying the * operator.

fn mul(self, other: &Number) -> Self::Output

Performs the * operation.

impl Mul<&Number> for Number

type Output = <&'static Number as Mul>::Output

The resulting type after applying the * operator.

fn mul(self, other: &Number) -> Self::Output

Performs the * operation.

impl<'a> Mul<Number> for &'a Number

type Output = <&'static Number as Mul>::Output

The resulting type after applying the * operator.

fn mul(self, other: Number) -> Self::Output

Performs the * operation.

impl Neg for &Number

type Output = Number

The resulting type after applying the - operator.

fn neg(self) -> Self::Output

Performs the unary - operation.

impl Neg for Number

type Output = <&'static Number as Neg>::Output

The resulting type after applying the - operator.

fn neg(self) -> Self::Output

Performs the unary - operation.

impl Not for &Number

type Output = BigInt

The resulting type after applying the ! operator.

fn not(self) -> Self::Output

Performs the unary ! operation.

impl Not for Number

type Output = <&'static Number as Not>::Output

The resulting type after applying the ! operator.

fn not(self) -> Self::Output

Performs the unary ! operation.

impl PartialEq for Number

fn eq(&self, other: &Number) -> 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 PartialEq<BigInt> for Number

fn eq(&self, other: &BigInt) -> 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 PartialEq<Number> for BigInt

fn eq(&self, other: &Number) -> 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 PartialEq<f32> for Number

fn eq(&self, other: &f32) -> 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 PartialEq<f64> for Number

fn eq(&self, other: &f64) -> 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 PartialEq<i8> for Number

fn eq(&self, other: &i8) -> 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 PartialEq<i16> for Number

fn eq(&self, other: &i16) -> 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 PartialEq<i32> for Number

fn eq(&self, other: &i32) -> 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 PartialEq<u8> for Number

fn eq(&self, other: &u8) -> 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 PartialEq<u16> for Number

fn eq(&self, other: &u16) -> 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 PartialEq<u32> for Number

fn eq(&self, other: &u32) -> 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 PartialOrd for Number

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: &Self) -> bool

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

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

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

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

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

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

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

impl Product for Number

fn product<I: Iterator<Item = Self>>(iter: I) -> Self

Takes an iterator and generates Self from the elements by multiplying the items.

impl<'a> Product<&'a Number> for Number

fn product<I: Iterator<Item = &'a Self>>(iter: I) -> Self

Takes an iterator and generates Self from the elements by multiplying the items.

impl Promising for Number

type Resolution = Number

impl Rem for Number

type Output = <&'static Number as Rem>::Output

The resulting type after applying the % operator.

fn rem(self, other: Number) -> Self::Output

Performs the % operation.

impl Rem<&Number> for &Number

type Output = Number

The resulting type after applying the % operator.

fn rem(self, other: &Number) -> Self::Output

Performs the % operation.

impl Rem<&Number> for Number

type Output = <&'static Number as Rem>::Output

The resulting type after applying the % operator.

fn rem(self, other: &Number) -> Self::Output

Performs the % operation.

impl<'a> Rem<Number> for &'a Number

type Output = <&'static Number as Rem>::Output

The resulting type after applying the % operator.

fn rem(self, other: Number) -> Self::Output

Performs the % operation.

impl Shl for Number

type Output = <&'static Number as Shl>::Output

The resulting type after applying the << operator.

fn shl(self, other: Number) -> Self::Output

Performs the << operation.

impl Shl<&Number> for &Number

type Output = Number

The resulting type after applying the << operator.

fn shl(self, other: &Number) -> Self::Output

Performs the << operation.

impl Shl<&Number> for Number

type Output = <&'static Number as Shl>::Output

The resulting type after applying the << operator.

fn shl(self, other: &Number) -> Self::Output

Performs the << operation.

impl<'a> Shl<Number> for &'a Number

type Output = <&'static Number as Shl>::Output

The resulting type after applying the << operator.

fn shl(self, other: Number) -> Self::Output

Performs the << operation.

impl Shr for Number

type Output = <&'static Number as Shr>::Output

The resulting type after applying the >> operator.

fn shr(self, other: Number) -> Self::Output

Performs the >> operation.

impl Shr<&Number> for &Number

type Output = Number

The resulting type after applying the >> operator.

fn shr(self, other: &Number) -> Self::Output

Performs the >> operation.

impl Shr<&Number> for Number

type Output = <&'static Number as Shr>::Output

The resulting type after applying the >> operator.

fn shr(self, other: &Number) -> Self::Output

Performs the >> operation.

impl<'a> Shr<Number> for &'a Number

type Output = <&'static Number as Shr>::Output

The resulting type after applying the >> operator.

fn shr(self, other: Number) -> Self::Output

Performs the >> operation.

impl StructuralPartialEq for Number

impl Sub for Number

type Output = <&'static Number as Sub>::Output

The resulting type after applying the - operator.

fn sub(self, other: Number) -> Self::Output

Performs the - operation.

impl Sub<&Number> for &Number

type Output = Number

The resulting type after applying the - operator.

fn sub(self, other: &Number) -> Self::Output

Performs the - operation.

impl Sub<&Number> for Number

type Output = <&'static Number as Sub>::Output

The resulting type after applying the - operator.

fn sub(self, other: &Number) -> Self::Output

Performs the - operation.

impl<'a> Sub<Number> for &'a Number

type Output = <&'static Number as Sub>::Output

The resulting type after applying the - operator.

fn sub(self, other: Number) -> Self::Output

Performs the - operation.

impl Sum for Number

fn sum<I: Iterator<Item = Self>>(iter: I) -> Self

Takes an iterator and generates Self from the elements by “summing up” the items.

impl<'a> Sum<&'a Number> for Number

fn sum<I: Iterator<Item = &'a Self>>(iter: I) -> Self

Takes an iterator and generates Self from the elements by “summing up” the items.

impl TryFrom<i64> for Number

type Error = TryFromIntError

The type returned in the event of a conversion error.

fn try_from(x: i64) -> Result<Number, Self::Error>

Performs the conversion.

impl TryFrom<i128> for Number

type Error = TryFromIntError

The type returned in the event of a conversion error.

fn try_from(x: i128) -> Result<Number, Self::Error>

Performs the conversion.

impl TryFrom<u64> for Number

type Error = TryFromIntError

The type returned in the event of a conversion error.

fn try_from(x: u64) -> Result<Number, Self::Error>

Performs the conversion.

impl TryFrom<u128> for Number

type Error = TryFromIntError

The type returned in the event of a conversion error.

fn try_from(x: u128) -> Result<Number, Self::Error>

Performs the conversion.

impl UpcastFrom<Number> for JsValue

impl UpcastFrom<Number> for JsOption<JsValue>

impl UpcastFrom<Number> for Number

impl UpcastFrom<Number> for JsOption<Number>

impl UpcastFrom<Number> for Object

impl UpcastFrom<Number> for JsOption<Object>

impl UpcastFrom<Number> for f64

impl UpcastFrom<f32> for Number

impl UpcastFrom<f64> for Number

impl UpcastFrom<i8> for Number

impl UpcastFrom<i16> for Number

impl UpcastFrom<i32> for Number

impl UpcastFrom<u8> for Number

impl UpcastFrom<u16> for Number

impl UpcastFrom<u32> for Number