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ActionAlphabet

infotheory::aixi::common

Struct ActionAlphabet 

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

Cardinality of an agent/environment action alphabet |A|.

This domain type makes the core AIXI/AIQI invariant explicit: planners, environments, and simulator shims operate over a non-empty action alphabet. The value 0 is therefore unrepresentable once a value has crossed an API boundary into the validated internal domain.

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impl ActionAlphabet

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pub const fn new(value: NonZeroUsize) -> Self

Construct an action alphabet cardinality from a known non-zero value.

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pub fn try_from_usize(value: usize) -> Result<Self, ZeroActionAlphabetError>

Validate and construct an action alphabet cardinality from a raw usize.

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pub const fn get(self) -> usize

Return the underlying cardinality.

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pub fn action_bits(self) -> usize

Return the minimum bit width required to encode the action alphabet.

Trait Implementations§

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impl Clone for ActionAlphabet

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fn clone(&self) -> ActionAlphabet

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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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 Display for ActionAlphabet

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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 Hash for ActionAlphabet

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

Feeds this value into the given Hasher. Read more
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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 Ord for ActionAlphabet

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

This method returns an Ordering between self and other. Read more
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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,

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

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

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

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 ActionAlphabet

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fn partial_cmp(&self, other: &ActionAlphabet) -> 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

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

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

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

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl TryFrom<usize> for ActionAlphabet

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type Error = ZeroActionAlphabetError

The type returned in the event of a conversion error.
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fn try_from(value: usize) -> Result<Self, Self::Error>

Performs the conversion.
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impl Copy for ActionAlphabet

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impl Eq for ActionAlphabet

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impl StructuralPartialEq for ActionAlphabet

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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> AsAny for T
where T: Any,

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
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where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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where &'a Self: for<'a> IntoIterator,

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Calls U::from(self).

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