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ValueCodecRegistry

Struct ValueCodecRegistry 

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pub struct ValueCodecRegistry { /* private fields */ }
Expand description

An immutable value-codec registry sorted by stable ID.

§Examples

use qubit_codec::ValueCodecRegistry;

let registry = ValueCodecRegistry::empty();
assert!(registry.get("missing.example").is_none());

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impl ValueCodecRegistry

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pub fn from_registrations( registrations: impl IntoIterator<Item = &'static ValueCodecRegistration>, ) -> Result<Self, ValueCodecRegistryError>

Builds a local registry from static registrations.

§Errors

Returns a duplicate-ID error when multiple entries claim one ID.

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pub fn empty() -> Self

Returns an empty local registry.

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pub fn try_global() -> Result<&'static Self, ValueCodecRegistryError>

Initializes and returns the process-wide linked registry.

§Errors

Returns the cached construction error when linked registrations conflict.

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pub fn global() -> &'static Self

Returns the process-wide registry or panics with a stable diagnostic.

§Panics

Panics when linked registrations conflict.

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pub fn get(&self, id: &str) -> Option<&ValueCodecRegistration>

Finds a registration by stable ID.

Returns None when id is absent.

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pub fn registrations(&self) -> &[ValueCodecRegistration]

Returns registrations in deterministic ID order.

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impl Debug for ValueCodecRegistry

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

Formats the value using the given formatter. Read more

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, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

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

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.