Struct uuid::fmt::Simple

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pub struct Simple(/* private fields */);
Expand description

Format a Uuid as a simple string, like 67e5504410b1426f9247bb680e5fe0c8.

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impl Simple

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pub const LENGTH: usize = 32usize

The length of a simple Uuid string.

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pub const fn from_uuid(uuid: Uuid) -> Self

Creates a Simple from a Uuid.

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pub fn encode_lower<'buf>(&self, buffer: &'buf mut [u8]) -> &'buf mut str

Writes the Uuid as a lower-case simple string to buffer, and returns the subslice of the buffer that contains the encoded UUID.

This is slightly more efficient than using the formatting infrastructure as it avoids virtual calls, and may avoid double buffering.

§Panics

Panics if the buffer is not large enough: it must have length at least LENGTH. Uuid::encode_buffer can be used to get a sufficiently-large temporary buffer.

§Examples
use uuid::Uuid;

fn main() -> Result<(), uuid::Error> {
    let uuid = Uuid::parse_str("936DA01f9abd4d9d80c702af85c822a8")?;

    // the encoded portion is returned
    assert_eq!(
        uuid.simple().encode_lower(&mut Uuid::encode_buffer()),
        "936da01f9abd4d9d80c702af85c822a8"
    );

    // the buffer is mutated directly, and trailing contents remains
    let mut buf = [b'!'; 36];
    assert_eq!(
        uuid.simple().encode_lower(&mut buf),
        "936da01f9abd4d9d80c702af85c822a8"
    );
    assert_eq!(
        &buf as &[_],
        b"936da01f9abd4d9d80c702af85c822a8!!!!" as &[_]
    );

    Ok(())
}

*/

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pub fn encode_upper<'buf>(&self, buffer: &'buf mut [u8]) -> &'buf mut str

Writes the Uuid as an upper-case simple string to buffer, and returns the subslice of the buffer that contains the encoded UUID.

§Panics

Panics if the buffer is not large enough: it must have length at least LENGTH. Uuid::encode_buffer can be used to get a sufficiently-large temporary buffer.

§Examples
use uuid::Uuid;

fn main() -> Result<(), uuid::Error> {
    let uuid = Uuid::parse_str("936da01f9abd4d9d80c702af85c822a8")?;

    // the encoded portion is returned
    assert_eq!(
        uuid.simple().encode_upper(&mut Uuid::encode_buffer()),
        "936DA01F9ABD4D9D80C702AF85C822A8"
    );

    // the buffer is mutated directly, and trailing contents remains
    let mut buf = [b'!'; 36];
    assert_eq!(
        uuid.simple().encode_upper(&mut buf),
        "936DA01F9ABD4D9D80C702AF85C822A8"
    );
    assert_eq!(
        &buf as &[_],
        b"936DA01F9ABD4D9D80C702AF85C822A8!!!!" as &[_]
    );

    Ok(())
}

*/

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pub const fn as_uuid(&self) -> &Uuid

Get a reference to the underlying Uuid.

§Examples
use uuid::Uuid;

let simple = Uuid::nil().simple();
assert_eq!(*simple.as_uuid(), Uuid::nil());
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pub const fn into_uuid(self) -> Uuid

Consumes the Simple, returning the underlying Uuid.

§Examples
use uuid::Uuid;

let simple = Uuid::nil().simple();
assert_eq!(simple.into_uuid(), Uuid::nil());

Trait Implementations§

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impl AsRef<Uuid> for Simple

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fn as_ref(&self) -> &Uuid

Converts this type into a shared reference of the (usually inferred) input type.
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impl Borrow<Uuid> for Simple

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fn borrow(&self) -> &Uuid

Immutably borrows from an owned value. Read more
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impl Clone for Simple

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fn clone(&self) -> Simple

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
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impl Debug for Simple

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

Formats the value using the given formatter. Read more
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impl Default for Simple

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fn default() -> Simple

Returns the “default value” for a type. Read more
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impl Display for Simple

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

Formats the value using the given formatter. Read more
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impl From<Simple> for Uuid

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fn from(f: Simple) -> Self

Converts to this type from the input type.
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impl From<Uuid> for Simple

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fn from(f: Uuid) -> Self

Converts to this type from the input type.
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impl Hash for Simple

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

Feeds this value into the given Hasher. Read more
1.3.0 · source§

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

Feeds a slice of this type into the given Hasher. Read more
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impl LowerHex for Simple

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

Formats the value using the given formatter.
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impl Ord for Simple

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

This method returns an Ordering between self and other. Read more
1.21.0 · source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl PartialEq for Simple

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for Simple

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

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

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

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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer. Read more
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impl UpperHex for Simple

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

Formats the value using the given formatter.
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impl Copy for Simple

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impl Eq for Simple

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impl StructuralPartialEq for Simple

Auto Trait Implementations§

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.