1.28.0[−][src]Struct core::num::NonZeroU8  
An integer that is known not to equal zero.
This enables some memory layout optimization.
For example, Option<NonZeroU8> is the same size as u8:
use std::mem::size_of; assert_eq!(size_of::<Option<std::num::NonZeroU8>>(), size_of::<u8>());Run
Methods
impl NonZeroU8[src] 
impl NonZeroU8pub const unsafe fn new_unchecked(n: u8) -> Self[src] 
pub const unsafe fn new_unchecked(n: u8) -> Selfpub fn new(n: u8) -> Option<Self>[src] 
pub fn new(n: u8) -> Option<Self>Create a non-zero if the given value is not zero.
pub fn get(self) -> u8[src] 
pub fn get(self) -> u8Returns the value as a primitive type.
Trait Implementations
impl Copy for NonZeroU8[src] 
impl Copy for NonZeroU8impl Clone for NonZeroU8[src] 
impl Clone for NonZeroU8fn clone(&self) -> NonZeroU8[src] 
fn clone(&self) -> NonZeroU8Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)1.0.0[src] 
fn clone_from(&mut self, source: &Self)Performs copy-assignment from source. Read more
impl Eq for NonZeroU8[src] 
impl Eq for NonZeroU8impl PartialEq for NonZeroU8[src] 
impl PartialEq for NonZeroU8fn eq(&self, other: &NonZeroU8) -> bool[src] 
fn eq(&self, other: &NonZeroU8) -> boolThis method tests for self and other values to be equal, and is used by ==. Read more
fn ne(&self, other: &NonZeroU8) -> bool[src] 
fn ne(&self, other: &NonZeroU8) -> boolThis method tests for !=.
impl Ord for NonZeroU8[src] 
impl Ord for NonZeroU8fn cmp(&self, other: &NonZeroU8) -> Ordering[src] 
fn cmp(&self, other: &NonZeroU8) -> OrderingThis method returns an Ordering between self and other. Read more
fn max(self, other: Self) -> Self where
    Self: Sized, 1.21.0[src] 
fn max(self, other: Self) -> Self where
    Self: Sized, Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self where
    Self: Sized, 1.21.0[src] 
fn min(self, other: Self) -> Self where
    Self: Sized, Compares and returns the minimum of two values. Read more
impl PartialOrd for NonZeroU8[src] 
impl PartialOrd for NonZeroU8fn partial_cmp(&self, other: &NonZeroU8) -> Option<Ordering>[src] 
fn partial_cmp(&self, other: &NonZeroU8) -> Option<Ordering>This method returns an ordering between self and other values if one exists. Read more
fn lt(&self, other: &NonZeroU8) -> bool[src] 
fn lt(&self, other: &NonZeroU8) -> boolThis method tests less than (for self and other) and is used by the < operator. Read more
fn le(&self, other: &NonZeroU8) -> bool[src] 
fn le(&self, other: &NonZeroU8) -> boolThis method tests less than or equal to (for self and other) and is used by the <= operator. Read more
fn gt(&self, other: &NonZeroU8) -> bool[src] 
fn gt(&self, other: &NonZeroU8) -> boolThis method tests greater than (for self and other) and is used by the > operator. Read more
fn ge(&self, other: &NonZeroU8) -> bool[src] 
fn ge(&self, other: &NonZeroU8) -> boolThis method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
impl Hash for NonZeroU8[src] 
impl Hash for NonZeroU8fn hash<__H: Hasher>(&self, state: &mut __H)[src] 
fn hash<__H: Hasher>(&self, state: &mut __H)Feeds this value into the given [Hasher]. Read more
fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where
    Self: Sized, 1.3.0[src] 
fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where
    Self: Sized, Feeds a slice of this type into the given [Hasher]. Read more
impl Debug for NonZeroU8[src] 
impl Debug for NonZeroU8fn fmt(&self, f: &mut Formatter) -> Result[src] 
fn fmt(&self, f: &mut Formatter) -> ResultFormats the value using the given formatter. Read more
impl Display for NonZeroU8[src] 
impl Display for NonZeroU8fn fmt(&self, f: &mut Formatter) -> Result[src] 
fn fmt(&self, f: &mut Formatter) -> ResultFormats the value using the given formatter. Read more
impl Binary for NonZeroU8[src] 
impl Binary for NonZeroU8impl Octal for NonZeroU8[src] 
impl Octal for NonZeroU8impl LowerHex for NonZeroU8[src] 
impl LowerHex for NonZeroU8impl UpperHex for NonZeroU8[src] 
impl UpperHex for NonZeroU8Auto Trait Implementations
Blanket Implementations
impl<T, U> Into for T where
    U: From<T>, [src] 
impl<T, U> Into for T where
    U: From<T>, impl<T> From for T[src] 
impl<T> From for Timpl<T, U> TryInto for T where
    U: TryFrom<T>, [src] 
impl<T, U> TryInto for T where
    U: TryFrom<T>, type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(Self) -> Result<U, <U as TryFrom<T>>::Error>[src] 
fn try_into(Self) -> Result<U, <U as TryFrom<T>>::Error>Performs the conversion.
impl<T, U> TryFrom for T where
    T: From<U>, [src] 
impl<T, U> TryFrom for T where
    T: From<U>, type Error = !
The type returned in the event of a conversion error.
fn try_from(U) -> Result<T, <T as TryFrom<U>>::Error>[src] 
fn try_from(U) -> Result<T, <T as TryFrom<U>>::Error>Performs the conversion.
impl<T> Borrow for T where
    T: ?Sized, [src] 
impl<T> Borrow for T where
    T: ?Sized, impl<T> BorrowMut for T where
    T: ?Sized, [src] 
impl<T> BorrowMut for T where
    T: ?Sized, fn borrow_mut(&mut Self) -> &mut T[src] 
fn borrow_mut(&mut Self) -> &mut TMutably borrows from an owned value. Read more
impl<T> Any for T where
    T: 'static + ?Sized, [src] 
impl<T> Any for T where
    T: 'static + ?Sized, fn get_type_id(&Self) -> TypeId[src] 
fn get_type_id(&Self) -> TypeId🔬 This is a nightly-only experimental API.  (get_type_id #27745)
this method will likely be replaced by an associated static
Gets the TypeId of self. Read more