pub struct UuidNonNil(/* private fields */);Expand description
๐ซ โ๏ธ
A UUID excluding Uuid::NIL to provide a memory niche.
๐ data/id/uuid::UuidNonNil
๐ฆ size_of::<UuidNonNil>() == 16 bytes / 128 bits
โ๏ธOption<T> ๐ฐ T
Implementationsยง
Sourceยงimpl UuidNonNil
impl UuidNonNil
Sourceยงimpl UuidNonNil
impl UuidNonNil
Sourcepub const fn from_bytes(bytes: [u8; 16]) -> Option<Self> โ
pub const fn from_bytes(bytes: [u8; 16]) -> Option<Self> โ
Creates a non-nil UUID from its 16-byte representation.
Returns None for Uuid::NIL.
Sourcepub const fn from_u128(value: u128) -> Option<Self> โ
pub const fn from_u128(value: u128) -> Option<Self> โ
Creates a non-nil UUID from a u128 interpreted in big-endian byte order.
Returns None for zero.
Sourcepub const fn into_bytes(self) -> [u8; 16]
pub const fn into_bytes(self) -> [u8; 16]
Returns the 16-byte UUID representation.
Sourcepub const fn variant(self) -> UuidVariant
pub const fn variant(self) -> UuidVariant
Returns the UUID variant.
Sourcepub const fn version_number(self) -> Option<u8> โ
pub const fn version_number(self) -> Option<u8> โ
Returns the version number for an IETF UUID.
Returns None for UUIDs belonging to another variant.
Sourcepub const fn version(self) -> Option<UuidVersion> โ
pub const fn version(self) -> Option<UuidVersion> โ
Returns the recognized UUID version.
Trait Implementationsยง
Sourceยงimpl Clone for UuidNonNil
impl Clone for UuidNonNil
Sourceยงfn clone(&self) -> UuidNonNil
fn clone(&self) -> UuidNonNil
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) ยท Sourceยงfn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreimpl Copy for UuidNonNil
Sourceยงimpl Debug for UuidNonNil
impl Debug for UuidNonNil
Sourceยงimpl Display for UuidNonNil
impl Display for UuidNonNil
impl Eq for UuidNonNil
Sourceยงimpl From<UuidNonNil> for Uuid
impl From<UuidNonNil> for Uuid
Sourceยงfn from(uuid: UuidNonNil) -> Self
fn from(uuid: UuidNonNil) -> Self
Converts to this type from the input type.
Sourceยงimpl From<UuidNonNil> for [u8; 16]
impl From<UuidNonNil> for [u8; 16]
Sourceยงfn from(uuid: UuidNonNil) -> Self
fn from(uuid: UuidNonNil) -> Self
Converts to this type from the input type.
Sourceยงimpl From<UuidNonNil> for u128
impl From<UuidNonNil> for u128
Sourceยงfn from(uuid: UuidNonNil) -> Self
fn from(uuid: UuidNonNil) -> Self
Converts to this type from the input type.
Sourceยงimpl Hash for UuidNonNil
impl Hash for UuidNonNil
Sourceยงimpl Ord for UuidNonNil
impl Ord for UuidNonNil
Sourceยงfn cmp(&self, other: &UuidNonNil) -> Ordering
fn cmp(&self, other: &UuidNonNil) -> Ordering
1.21.0 (const: unstable) ยท Sourceยงfn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
1.21.0 (const: unstable) ยท Sourceยงfn min(self, other: Self) -> Selfwhere
Self: Sized,
fn min(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the minimum of two values. Read more
Sourceยงimpl PartialEq for UuidNonNil
impl PartialEq for UuidNonNil
Sourceยงimpl PartialOrd for UuidNonNil
impl PartialOrd for UuidNonNil
impl StructuralPartialEq for UuidNonNil
Sourceยงimpl WordTry for UuidNonNil
impl WordTry for UuidNonNil
Sourceยงtype Error = InvalidValue
type Error = InvalidValue
The error returned when a raw representation is not admitted.
Auto Trait Implementationsยง
impl Freeze for UuidNonNil
impl RefUnwindSafe for UuidNonNil
impl Send for UuidNonNil
impl Sync for UuidNonNil
impl Unpin for UuidNonNil
impl UnsafeUnpin for UuidNonNil
impl UnwindSafe for UuidNonNil
Blanket Implementationsยง
Sourceยงimpl<T> AnyExt for T
impl<T> AnyExt for T
Sourceยงfn type_hash_with<H: Hasher>(&self, hasher: H) -> u64
fn type_hash_with<H: Hasher>(&self, hasher: H) -> u64
Returns a deterministic hash of the
TypeId of Self using a custom hasher.Sourceยงfn as_any_mut(&mut self) -> &mut dyn Anywhere
Self: Sized,
fn as_any_mut(&mut self) -> &mut dyn Anywhere
Self: Sized,
Sourceยงfn as_any_box(self: Box<Self>) -> Box<dyn Any>where
Self: Sized,
fn as_any_box(self: Box<Self>) -> Box<dyn Any>where
Self: Sized,
Available on crate feature
alloc only.Sourceยงimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Sourceยงfn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Sourceยงimpl<T> ByteSized for T
impl<T> ByteSized for T
Sourceยงconst BYTE_ALIGN: usize = _
const BYTE_ALIGN: usize = _
The alignment of this type in bytes.
Sourceยงfn byte_align(&self) -> usize
fn byte_align(&self) -> usize
Returns the alignment of this type in bytes.
Sourceยงfn ptr_size_ratio(&self) -> [usize; 2]
fn ptr_size_ratio(&self) -> [usize; 2]
Sourceยงimpl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Sourceยงimpl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
Sourceยงimpl<T> MemExt for Twhere
T: ?Sized,
impl<T> MemExt for Twhere
T: ?Sized,
Sourceยงconst NEEDS_DROP: bool = _
const NEEDS_DROP: bool = _
Know whether dropping values of this type matters, in compile-time.
Sourceยงfn mem_align_of<T>() -> usize
fn mem_align_of<T>() -> usize
Returns the minimum alignment of the type in bytes. Read more
Sourceยงfn mem_align_of_val(&self) -> usize
fn mem_align_of_val(&self) -> usize
Returns the alignment of the pointed-to value in bytes. Read more
Sourceยงfn mem_size_of<T>() -> usize
fn mem_size_of<T>() -> usize
Returns the size of a type in bytes. Read more
Sourceยงfn mem_size_of_val(&self) -> usize
fn mem_size_of_val(&self) -> usize
Returns the size of the pointed-to value in bytes. Read more
Sourceยงfn mem_needs_drop(&self) -> bool
fn mem_needs_drop(&self) -> bool
Returns
true if dropping values of this type matters. Read moreSourceยงfn mem_forget(self)where
Self: Sized,
fn mem_forget(self)where
Self: Sized,
Forgets about
self without running its destructor. Read moreSourceยงfn mem_replace(&mut self, other: Self) -> Selfwhere
Self: Sized,
fn mem_replace(&mut self, other: Self) -> Selfwhere
Self: Sized,
Sourceยงunsafe fn mem_zeroed<T>() -> T
unsafe fn mem_zeroed<T>() -> T
Available on crate feature
unsafe_layout only.Returns the value of type
T represented by the all-zero byte-pattern. Read moreSourceยงunsafe fn mem_transmute_copy<Src, Dst>(src: &Src) -> Dst
unsafe fn mem_transmute_copy<Src, Dst>(src: &Src) -> Dst
Available on crate feature
unsafe_layout only.Returns the value of type
T represented by the all-zero byte-pattern. Read moreSourceยงfn mem_as_bytes(&self) -> &[u8] โ
fn mem_as_bytes(&self) -> &[u8] โ
Available on crate feature
unsafe_slice only.