Struct ordered_float::OrderedFloat

#[repr(transparent)]
pub struct OrderedFloat<T: Float>(pub T);

A wrapper around Floats providing an implementation of Ord and Hash.

NaN is sorted as greater than all other values and equal to itself, in contradiction with the IEEE standard.

Methods

impl<T: Float> OrderedFloat<T>

pub fn into_inner(self) -> T

Get the value out.

Trait Implementations

impl<T: Float> Deref for OrderedFloat<T>

type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<T: Float> PartialEq<OrderedFloat<T>> for OrderedFloat<T>

fn eq(&self, other: &OrderedFloat<T>) -> bool

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

#[must_use]

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

This method tests for !=.

impl<T: Float> Eq for OrderedFloat<T>

impl<T: Float> Ord for OrderedFloat<T>

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

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

impl<T: Float> PartialOrd<OrderedFloat<T>> for OrderedFloat<T>

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

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

#[must_use]

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

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

#[must_use]

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

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

#[must_use]

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

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

#[must_use]

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

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

impl<T: Clone + Float> Clone for OrderedFloat<T>

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

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Float> DerefMut for OrderedFloat<T>

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

impl<T: Copy + Float> Copy for OrderedFloat<T>

impl<T: Float> From<T> for OrderedFloat<T>

fn from(val: T) -> Self

Performs the conversion.

impl<T: Float + Display> Display for OrderedFloat<T>

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

Formats the value using the given formatter.

impl<T: Debug + Float> Debug for OrderedFloat<T>

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

Formats the value using the given formatter.

impl<T: Float> Hash for OrderedFloat<T>

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, 

Feeds a slice of this type into the given [Hasher].

impl<T: Float + FromStr> FromStr for OrderedFloat<T>

type Err = T::Err

The associated error which can be returned from parsing.

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

Convert a &str to OrderedFloat. Returns an error if the string fails to parse.

use ordered_float::OrderedFloat;

assert!("-10".parse::<OrderedFloat<f32>>().is_ok());
assert!("abc".parse::<OrderedFloat<f32>>().is_err());
assert!("NaN".parse::<OrderedFloat<f32>>().is_ok());

impl<T: Float> AsMut<T> for OrderedFloat<T>

fn as_mut(&mut self) -> &mut T

Performs the conversion.

impl<T: Float> AsRef<T> for OrderedFloat<T>

fn as_ref(&self) -> &T

Performs the conversion.

impl Into<f32> for OrderedFloat<f32>

fn into(self) -> f32

Performs the conversion.

impl Into<f64> for OrderedFloat<f64>

fn into(self) -> f64

Performs the conversion.

impl<T: Default + Float> Default for OrderedFloat<T>

fn default() -> OrderedFloat<T>

Returns the "default value" for a type.

impl<T: Float> Bounded for OrderedFloat<T>

fn min_value() -> Self

returns the smallest finite number this type can represent

fn max_value() -> Self

returns the largest finite number this type can represent