Struct af_lib::prelude::af_core::util::Uuid

pub struct Uuid(_);

A universally-unique identifier.

Implementations

impl Uuid

pub const fn nil() -> Uuid

Returns a "nil" UUID.

pub fn is_nil(&self) -> bool

Returns true if the UUID is the "nil" value.

pub fn new() -> Uuid

Returns a new, random UUID.

pub fn as_bytes(&self) -> &[u8]

Returns a slice containing the bytes of the UUID.

pub fn to_u128(&self) -> u128

Converts the UUID to a u128.

Trait Implementations

impl Clone for Uuid

pub fn clone(&self) -> Uuid

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for Uuid

impl Debug for Uuid

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

Formats the value using the given formatter.

impl Default for Uuid

pub fn default() -> Uuid

Returns the "default value" for a type.

impl<'de> Deserialize<'de> for Uuid

pub fn deserialize<__D>(
    __deserializer: __D
) -> Result<Uuid, <__D as Deserializer<'de>>::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl Display for Uuid

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

Formats the value using the given formatter.

impl Eq for Uuid

impl From<Uuid> for Uuid

pub fn from(original: Uuid) -> Uuid

Performs the conversion.

impl<'a> FromSql<'a> for Uuid

pub fn from_sql(
    ty: &Type,
    raw: &'a [u8]
) -> Result<Uuid, Box<dyn Error + 'static + Send + Sync, Global>>

Creates a new value of this type from a buffer of data of the specified Postgres Type in its binary format.

pub fn accepts(ty: &Type) -> bool

Determines if a value of this type can be created from the specified Postgres Type.

pub fn from_sql_null(
    ty: &Type
) -> Result<Self, Box<dyn Error + 'static + Send + Sync, Global>>

Creates a new value of this type from a NULL SQL value.

pub fn from_sql_nullable(
    ty: &Type,
    raw: Option<&'a [u8]>
) -> Result<Self, Box<dyn Error + 'static + Send + Sync, Global>>

A convenience function that delegates to from_sql and from_sql_null depending on the value of raw.

impl FromStr for Uuid

type Err = <Uuid as FromStr>::Err

The associated error which can be returned from parsing.

pub fn from_str(src: &str) -> Result<Uuid, <Uuid as FromStr>::Err>

Parses a string s to return a value of this type.

impl Hash for Uuid

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

Feeds this value into the given Hasher.

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

Feeds a slice of this type into the given Hasher.

impl LowerHex for Uuid

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

Formats the value using the given formatter.

impl Ord for Uuid

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

This method returns an Ordering between self and other.

#[must_use]pub fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]pub fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<Uuid> for Uuid

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

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

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

This method tests for !=.

impl PartialOrd<Uuid> for Uuid

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

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

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

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

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

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

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

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

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

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

impl Random for Uuid

pub fn random_with(rng: &mut Rng) -> Uuid

Returns a random value using the given Rng.

pub fn random() -> Self

Returns a random value.

impl Serialize for Uuid

pub fn serialize<__S>(
    &self,
    __serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.

impl StructuralEq for Uuid

impl StructuralPartialEq for Uuid

impl ToSql for Uuid

pub fn to_sql(
    &self,
    ty: &Type,
    out: &mut BytesMut
) -> Result<IsNull, Box<dyn Error + 'static + Send + Sync, Global>> where
    Uuid: Sized, 

Converts the value of self into the binary format of the specified Postgres Type, appending it to out.

pub fn accepts(ty: &Type) -> bool where
    Uuid: Sized, 

Determines if a value of this type can be converted to the specified Postgres Type.

pub fn to_sql_checked(
    &self,
    ty: &Type,
    out: &mut BytesMut
) -> Result<IsNull, Box<dyn Error + 'static + Send + Sync, Global>>

An adaptor method used internally by Rust-Postgres.

impl UpperHex for Uuid

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

Formats the value using the given formatter.