Enum `Sign`

#[repr(i8)]
pub enum Sign

A representation of a numeric sign.

Its Display impl emits the ASCII minus sign, -, when this is negative. It emits the empty string in all other cases.

Variants

Zero = 0
Positive = 1
Negative = -1

Implementations

`impl Sign`

const fn is_zero(self) -> bool

Returns true when the sign is Sign::Zero.

const fn is_positive(self) -> bool

Returns true when the sign is Sign::Positive.

const fn is_negative(self) -> bool

Returns true when the sign is Sign::Negative.

const fn signum(self) -> i8

Returns the sign as an i8.

This is guaranteed to be -1, 0 or 1.

const fn as_i8(self) -> i8

Returns the sign as an i8.

This is guaranteed to be -1, 0 or 1.

const fn as_i16(self) -> i16

Returns the sign as an i16.

This is guaranteed to be -1, 0 or 1.

const fn as_i32(self) -> i32

Returns the sign as an i32.

This is guaranteed to be -1, 0 or 1.

const fn as_i64(self) -> i64

Returns the sign as an i64.

This is guaranteed to be -1, 0 or 1.

const fn as_i128(self) -> i128

Returns the sign as an i128.

This is guaranteed to be -1, 0 or 1.

fn from_ordinals<T: Ord>(t1: T, t2: T) -> Sign

Returns a Sign as a result of comparing two values.

When t1 < t2, returns Sign::Negative.
When t1 == t2, returns Sign::Zero.
When t1 > t2, returns Sign::Positive.

Trait Implementations

`impl Clone for Sign`

fn clone(&self) -> Sign

`impl Copy for Sign`

`impl Debug for Sign`

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

`impl Default for Sign`

fn default() -> Sign

`impl Display for Sign`

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

`impl Eq for Sign`

`impl From<f64> for Sign`

fn from(n: f64) -> Sign

`impl From<i128> for Sign`

fn from(n: i128) -> Sign

`impl From<i16> for Sign`

fn from(n: i16) -> Sign

`impl From<i32> for Sign`

fn from(n: i32) -> Sign

`impl From<i64> for Sign`

fn from(n: i64) -> Sign

`impl From<i8> for Sign`

fn from(n: i8) -> Sign

`impl Hash for Sign`

fn hash<__H: Hasher>(&self, state: &mut __H)

`impl Mul for Sign`

type Output = Sign;
fn mul(self, rhs: Sign) -> Sign

`impl Mul<i128> for Sign`

type Output = i128;
fn mul(self, n: i128) -> i128

`impl Mul<i16> for Sign`

type Output = i16;
fn mul(self, n: i16) -> i16

`impl Mul<i32> for Sign`

type Output = i32;
fn mul(self, n: i32) -> i32

`impl Mul<i64> for Sign`

type Output = i64;
fn mul(self, n: i64) -> i64

`impl Mul<i8> for Sign`

type Output = i8;
fn mul(self, n: i8) -> i8

`impl Neg for Sign`

type Output = Sign;
fn neg(self) -> Sign

`impl Ord for Sign`

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

`impl PartialEq for Sign`

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

`impl PartialOrd for Sign`

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

`impl StructuralPartialEq for Sign`

Auto Trait Implementations

`impl Freeze for Sign`

`impl RefUnwindSafe for Sign`

`impl Send for Sign`

`impl Sync for Sign`

`impl Unpin for Sign`

`impl UnsafeUnpin for Sign`

`impl UnwindSafe for Sign`

Blanket Implementations

`impl<T> Any for Sign where T: 'static + ?Sized,`

fn type_id(&self) -> TypeId

`impl<T> Borrow<T> for Sign where T: ?Sized,`

fn borrow(&self) -> &T

`impl<T> BorrowMut<T> for Sign where T: ?Sized,`

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

`impl<T> CloneToUninit for Sign where T: Clone,`

unsafe fn clone_to_uninit(&self, dest: *mut u8)

`impl<T> From<T> for Sign`

fn from(t: T) -> T: Returns the argument unchanged.

`impl<T> ToOwned for Sign where T: Clone,`

type Owned = T;
fn to_owned(&self) -> T
fn clone_into(&self, target: &mut T)

`impl<T> ToString for Sign where T: Display + ?Sized,`

fn to_string(&self) -> String

`impl<T, U> Into<U> for Sign where U: From<T>,`

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

`impl<T, U> TryFrom<U> for Sign where U: Into<T>,`

type Error = Infallible;
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

`impl<T, U> TryInto<U> for Sign where U: TryFrom<T>,`

type Error = <U as TryFrom<T>>::Error;
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>