Struct Quantity 

pub struct Quantity {
    pub value: Scalar,
    pub quantity_type: QuantityType,
}

A numeric value

Fields

value: Scalar

The numeric value of the quantity.

quantity_type: QuantityType

The quantity type with a base unit.

Implementations

impl Quantity

pub fn new(value: Scalar, quantity_type: QuantityType) -> Self

Create a new quantity.

pub fn scalar(value: Scalar) -> Self

Create a new Scalar quantity.

pub fn length(length: Scalar) -> Self

Create a new Length quantity in millimeters.

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

Calculate the power of quantity.

Note: This function has not been implemented completely.

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

Calculate the power of quantity and an integer.

Note: This function has not been implemented completely.

Trait Implementations

impl Add<Quantity> for Integer

type Output = Result<Quantity, QuantityError>

The resulting type after applying the + operator.

fn add(self, rhs: Quantity) -> Self::Output

Performs the + operation.

impl Add<i64> for Quantity

type Output = Result<Quantity, QuantityError>

The resulting type after applying the + operator.

fn add(self, rhs: Integer) -> Self::Output

Performs the + operation.

impl Add for Quantity

type Output = Result<Quantity, QuantityError>

The resulting type after applying the + operator.

fn add(self, rhs: Self) -> Self::Output

Performs the + operation.

impl Clone for Quantity

fn clone(&self) -> Quantity

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Quantity

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

Formats the value using the given formatter.

impl Display for Quantity

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

Formats the value using the given formatter.

impl Div<Quantity> for Integer

type Output = Result<Quantity, QuantityError>

The resulting type after applying the / operator.

fn div(self, rhs: Quantity) -> Self::Output

Performs the / operation.

impl Div<i64> for Quantity

type Output = Result<Quantity, QuantityError>

The resulting type after applying the / operator.

fn div(self, rhs: Integer) -> Self::Output

Performs the / operation.

impl Div for Quantity

type Output = Result<Quantity, QuantityError>

The resulting type after applying the / operator.

fn div(self, rhs: Self) -> Self::Output

Performs the / operation.

impl From<Quantity> for Value

fn from(qty: Quantity) -> Self

Converts to this type from the input type.

impl From<f64> for Quantity

fn from(value: Scalar) -> Self

Converts to this type from the input type.

impl From<i64> for Quantity

fn from(value: Integer) -> Self

Converts to this type from the input type.

impl Mul<Quantity> for Integer

type Output = Result<Quantity, QuantityError>

The resulting type after applying the * operator.

fn mul(self, rhs: Quantity) -> Self::Output

Performs the * operation.

impl Mul<i64> for Quantity

type Output = Result<Quantity, QuantityError>

The resulting type after applying the * operator.

fn mul(self, rhs: Integer) -> Self::Output

Performs the * operation.

impl Mul for Quantity

type Output = Result<Quantity, QuantityError>

The resulting type after applying the * operator.

fn mul(self, rhs: Self) -> Self::Output

Performs the * operation.

impl Neg for Quantity

type Output = Quantity

The resulting type after applying the - operator.

fn neg(self) -> Self::Output

Performs the unary - operation.

impl PartialEq for Quantity

fn eq(&self, other: &Quantity) -> 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 Quantity

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 Sub<Quantity> for Integer

type Output = Result<Quantity, QuantityError>

The resulting type after applying the - operator.

fn sub(self, rhs: Quantity) -> Self::Output

Performs the - operation.

impl Sub<i64> for Quantity

type Output = Result<Quantity, QuantityError>

The resulting type after applying the - operator.

fn sub(self, rhs: Integer) -> Self::Output

Performs the - operation.

impl Sub for Quantity

type Output = Result<Quantity, QuantityError>

The resulting type after applying the - operator.

fn sub(self, rhs: Self) -> Self::Output

Performs the - operation.

impl Ty for Quantity

fn ty(&self) -> Type

Return type

impl StructuralPartialEq for Quantity