1.28.0[][src]Struct std::num::NonZeroU64

#[repr(transparent)]
pub struct NonZeroU64(_);

An integer that is known not to equal zero.

This enables some memory layout optimization. For example, Option<NonZeroU64> is the same size as u64:

use std::mem::size_of;
assert_eq!(size_of::<Option<core::num::NonZeroU64>>(), size_of::<u64>());Run

Methods

impl NonZeroU64[src]

pub const unsafe fn new_unchecked(n: u64) -> NonZeroU64[src]

Creates a non-zero without checking the value.

Safety

The value must not be zero.

pub fn new(n: u64) -> Option<NonZeroU64>[src]

Creates a non-zero if the given value is not zero.

pub const fn get(self) -> u64[src]

Returns the value as a primitive type.

Trait Implementations

impl Copy for NonZeroU64[src]

impl UpperHex for NonZeroU64[src]

impl Octal for NonZeroU64[src]

impl Hash for NonZeroU64[src]

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher
1.3.0[src]

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

impl Clone for NonZeroU64[src]

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Eq for NonZeroU64[src]

impl PartialOrd<NonZeroU64> for NonZeroU64[src]

impl Binary for NonZeroU64[src]

impl Ord for NonZeroU64[src]

fn max(self, other: Self) -> Self1.21.0[src]

Compares and returns the maximum of two values. Read more

fn min(self, other: Self) -> Self1.21.0[src]

Compares and returns the minimum of two values. Read more

fn clamp(self, min: Self, max: Self) -> Self[src]

🔬 This is a nightly-only experimental API. (clamp #44095)

Restrict a value to a certain interval. Read more

impl Debug for NonZeroU64[src]

impl PartialEq<NonZeroU64> for NonZeroU64[src]

impl LowerHex for NonZeroU64[src]

impl Display for NonZeroU64[src]

impl From<NonZeroU64> for u641.31.0[src]

impl FromStr for NonZeroU641.35.0[src]

type Err = ParseIntError

The associated error which can be returned from parsing.

Auto Trait Implementations

impl UnwindSafe for NonZeroU64

impl RefUnwindSafe for NonZeroU64

impl Unpin for NonZeroU64

impl Send for NonZeroU64

impl Sync for NonZeroU64

Blanket Implementations

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T> From<T> for T[src]

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T> ToString for T where
    T: Display + ?Sized
[src]