Struct ResolvedValueRangeConstraint

pub struct ResolvedValueRangeConstraint<T> {
    pub min: Option<T>,
    pub max: Option<T>,
    pub exact: Option<T>,
    pub ideal: Option<T>,
}

A constraint specifying a range of accepted values.

Corresponding W3C spec types as per “Media Capture and Streams”:

• ConstrainDouble => ResolvedValueRangeConstraint<f64>
• ConstrainULong => ResolvedValueRangeConstraint<u64>

Fields

min: Option<T>

The minimum legal value of this property.

This is a required value.

max: Option<T>

The maximum legal value of this property.

This is a required value.

exact: Option<T>

The exact required value for this property.

This is a required value.

ideal: Option<T>

The ideal (target) value for this property.

This is an optional value.

Implementations

impl<T> ResolvedValueRangeConstraint<T>

pub fn exact<U>(self, exact: U) -> Self

where Option<T>: From<U>,

Consumes self, returning a corresponding constraint with the exact required value set to exact.

pub fn ideal<U>(self, ideal: U) -> Self

where Option<T>: From<U>,

Consumes self, returning a corresponding constraint with the ideal required value set to ideal.

pub fn min<U>(self, min: U) -> Self

where Option<T>: From<U>,

Consumes self, returning a corresponding constraint with the minimum required value set to min.

pub fn max<U>(self, max: U) -> Self

where Option<T>: From<U>,

Consumes self, returning a corresponding constraint with the maximum required value set to max.

pub fn is_required(&self) -> bool

Returns true if value.is_some() is true for any of its required values, otherwise false.

pub fn is_empty(&self) -> bool

Returns true if value.is_none() is true for all of its values, otherwise false.

pub fn to_required_only(&self) -> Self

where T: Clone,

Returns a corresponding constraint containing only required values.

pub fn into_required_only(self) -> Self

Consumes `self, returning a corresponding constraint containing only required values.

Trait Implementations

impl<T: Clone> Clone for ResolvedValueRangeConstraint<T>

fn clone(&self) -> ResolvedValueRangeConstraint<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for ResolvedValueRangeConstraint<T>

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

Formats the value using the given formatter.

impl<T> Default for ResolvedValueRangeConstraint<T>

fn default() -> Self

Returns the “default value” for a type.

impl<'de, T> Deserialize<'de> for ResolvedValueRangeConstraint<T>

where T: Deserialize<'de>,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<T> Display for ResolvedValueRangeConstraint<T>

where T: Debug,

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

Formats the value using the given formatter.

impl<'a> FitnessDistance<Option<&'a String>> for ResolvedValueRangeConstraint<f64>

type Error = SettingFitnessDistanceError

The type returned in the event of a computation error.

fn fitness_distance( &self, _setting: Option<&'a String>, ) -> Result<f64, Self::Error>

Computes the fitness distance of the given subject in the range of 0.0..=1.0.

impl<'a> FitnessDistance<Option<&'a String>> for ResolvedValueRangeConstraint<u64>

type Error = SettingFitnessDistanceError

The type returned in the event of a computation error.

fn fitness_distance( &self, _setting: Option<&'a String>, ) -> Result<f64, Self::Error>

Computes the fitness distance of the given subject in the range of 0.0..=1.0.

impl<'a> FitnessDistance<Option<&'a bool>> for ResolvedValueRangeConstraint<f64>

type Error = SettingFitnessDistanceError

The type returned in the event of a computation error.

fn fitness_distance( &self, _setting: Option<&'a bool>, ) -> Result<f64, Self::Error>

Computes the fitness distance of the given subject in the range of 0.0..=1.0.

impl<'a> FitnessDistance<Option<&'a bool>> for ResolvedValueRangeConstraint<u64>

type Error = SettingFitnessDistanceError

The type returned in the event of a computation error.

fn fitness_distance( &self, _setting: Option<&'a bool>, ) -> Result<f64, Self::Error>

Computes the fitness distance of the given subject in the range of 0.0..=1.0.

impl<'a> FitnessDistance<Option<&'a f64>> for ResolvedValueRangeConstraint<f64>

type Error = SettingFitnessDistanceError

The type returned in the event of a computation error.

fn fitness_distance(&self, setting: Option<&'a f64>) -> Result<f64, Self::Error>

Computes the fitness distance of the given subject in the range of 0.0..=1.0.

impl<'a> FitnessDistance<Option<&'a f64>> for ResolvedValueRangeConstraint<u64>

type Error = SettingFitnessDistanceError

The type returned in the event of a computation error.

fn fitness_distance(&self, setting: Option<&'a f64>) -> Result<f64, Self::Error>

Computes the fitness distance of the given subject in the range of 0.0..=1.0.

impl<'a> FitnessDistance<Option<&'a i64>> for ResolvedValueRangeConstraint<f64>

type Error = SettingFitnessDistanceError

The type returned in the event of a computation error.

fn fitness_distance(&self, setting: Option<&'a i64>) -> Result<f64, Self::Error>

Computes the fitness distance of the given subject in the range of 0.0..=1.0.

impl<'a> FitnessDistance<Option<&'a i64>> for ResolvedValueRangeConstraint<u64>

type Error = SettingFitnessDistanceError

The type returned in the event of a computation error.

fn fitness_distance(&self, setting: Option<&'a i64>) -> Result<f64, Self::Error>

Computes the fitness distance of the given subject in the range of 0.0..=1.0.

impl<T> From<ResolvedValueRangeConstraint<T>> for ValueRangeConstraint<T>

fn from(constraint: ResolvedValueRangeConstraint<T>) -> Self

Converts to this type from the input type.

impl From<ResolvedValueRangeConstraint<f64>> for MediaTrackConstraint

fn from(constraint: ResolvedValueRangeConstraint<f64>) -> Self

Converts to this type from the input type.

impl From<ResolvedValueRangeConstraint<f64>> for ResolvedMediaTrackConstraint

fn from(constraint: ResolvedValueRangeConstraint<f64>) -> Self

Converts to this type from the input type.

impl From<ResolvedValueRangeConstraint<u64>> for MediaTrackConstraint

fn from(constraint: ResolvedValueRangeConstraint<u64>) -> Self

Converts to this type from the input type.

impl From<ResolvedValueRangeConstraint<u64>> for ResolvedMediaTrackConstraint

fn from(constraint: ResolvedValueRangeConstraint<u64>) -> Self

Converts to this type from the input type.

impl<T: PartialEq> PartialEq for ResolvedValueRangeConstraint<T>

fn eq(&self, other: &ResolvedValueRangeConstraint<T>) -> 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<T> Serialize for ResolvedValueRangeConstraint<T>

where T: Serialize,

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl<T: Eq> Eq for ResolvedValueRangeConstraint<T>

impl<T> StructuralPartialEq for ResolvedValueRangeConstraint<T>