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TypedDenseOperationTable

Struct TypedDenseOperationTable 

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pub struct TypedDenseOperationTable<State, Context, Error> { /* private fields */ }
Expand description

Fixed 256-slot selector table for application-specific state machines.

Every slot is initialized with the caller-provided fallback operation. The hot path is therefore a selector-indexed function-pointer call without an Option lookup. This is still an indirect branch at the CPU level.

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impl<State, Context, Error> TypedDenseOperationTable<State, Context, Error>

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pub fn new(fallback: TypedDenseOpFn<State, Context, Error>) -> Self

Create a table with all selectors bound to fallback.

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pub fn register( &mut self, selector: u8, operation: TypedDenseOpFn<State, Context, Error>, )

Register an application operation at a raw byte selector.

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pub fn register_word( &mut self, selector: SelectorWord, operation: TypedDenseOpFn<State, Context, Error>, )

Register using the function byte of a 4/4/8 selector word.

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pub fn execute( &self, selector: u8, state: &mut State, context: &Context, ) -> Result<(), Error>

Execute by raw selector.

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pub fn execute_word( &self, selector: SelectorWord, state: &mut State, context: &Context, ) -> Result<(), Error>

Execute using the function byte of a selector word.

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impl<State, Context, Error> Clone for TypedDenseOperationTable<State, Context, Error>

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl<State, Context, Error> Debug for TypedDenseOperationTable<State, Context, Error>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<State, Context, Error> Freeze for TypedDenseOperationTable<State, Context, Error>
where [fn(&mut State, &Context) -> Result<(), Error>; 256]: Freeze,

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impl<State, Context, Error> RefUnwindSafe for TypedDenseOperationTable<State, Context, Error>
where [fn(&mut State, &Context) -> Result<(), Error>; 256]: RefUnwindSafe,

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impl<State, Context, Error> Send for TypedDenseOperationTable<State, Context, Error>
where [fn(&mut State, &Context) -> Result<(), Error>; 256]: Send,

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impl<State, Context, Error> Sync for TypedDenseOperationTable<State, Context, Error>
where [fn(&mut State, &Context) -> Result<(), Error>; 256]: Sync,

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impl<State, Context, Error> Unpin for TypedDenseOperationTable<State, Context, Error>
where [fn(&mut State, &Context) -> Result<(), Error>; 256]: Unpin,

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impl<State, Context, Error> UnsafeUnpin for TypedDenseOperationTable<State, Context, Error>
where [fn(&mut State, &Context) -> Result<(), Error>; 256]: UnsafeUnpin,

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impl<State, Context, Error> UnwindSafe for TypedDenseOperationTable<State, Context, Error>
where [fn(&mut State, &Context) -> Result<(), Error>; 256]: UnwindSafe,

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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, 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.