Struct Hash

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#[repr(transparent)]
pub struct Hash(/* private fields */);
Expand description

The primitive hash that among other things is used to reference items, types, and native functions.

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impl Hash

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pub const EMPTY: Hash

The empty hash.

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pub fn as_non_empty(&self) -> Option<Hash>

Return the current hash if it is non-empty.

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pub fn index(index: usize) -> Hash

Construct a hash from an index.

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pub fn ident(name: &str) -> Hash

Get the hash corresponding to a string identifier like function or hello_world.

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pub fn type_hash(path: impl ToTypeHash) -> Hash

Get the hash of a type.

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pub fn associated_function( type_hash: impl IntoHash, name: impl IntoHash, ) -> Hash

Construct a hash to an instance function, where the instance is a pre-determined type.

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pub fn field_function( protocol: impl IntoHash, type_hash: Hash, name: impl IntoHash, ) -> Hash

Construct a hash corresponding to a field function.

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pub fn index_function( protocol: impl IntoHash, type_hash: Hash, index: Hash, ) -> Hash

Construct an index function.

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pub fn static_bytes(bytes: &[u8]) -> Hash

Get the hash corresponding to a static byte array.

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pub fn object_keys<I>(keys: I) -> Hash
where I: IntoIterator, <I as IntoIterator>::Item: AsRef<str>,

Hash the given iterator of object keys.

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pub const fn with_generics(self, generics: Hash) -> Hash

Mix in generics hash.

The generics hash must be a combination of the output from with_type_parameters and with_function_parameters.

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pub const fn with_type_parameters(self, ty: Hash) -> Hash

Mix the current hash with type parameters.

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pub const fn with_function_parameters(self, f: Hash) -> Hash

Mix the current hash with function parameters.

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pub const fn parameters<const N: usize>(params: [Hash; N]) -> Hash

Hash type parameters.

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impl Clone for Hash

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fn clone(&self) -> Hash

Returns a copy 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 Hash

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

Formats the value using the given formatter. Read more
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impl<'de> Decode<'de, Binary> for Hash

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fn decode<T0>( _0: &<T0 as Decoder<'de>>::Cx, _1: T0, ) -> Result<Hash, <<T0 as Decoder<'de>>::Cx as Context>::Error>
where T0: Decoder<'de, Mode = Binary>,

Decode the given input.
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impl<'de> Decode<'de, Text> for Hash

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fn decode<T0>( _0: &<T0 as Decoder<'de>>::Cx, _1: T0, ) -> Result<Hash, <<T0 as Decoder<'de>>::Cx as Context>::Error>
where T0: Decoder<'de, Mode = Text>,

Decode the given input.
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impl Default for Hash

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fn default() -> Hash

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for Hash

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

Deserialize this value from the given Serde deserializer. Read more
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impl Display for Hash

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

Formats the value using the given formatter. Read more
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impl Encode<Binary> for Hash

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fn encode<T0>( &self, _1: &<T0 as Encoder>::Cx, _0: T0, ) -> Result<<T0 as Encoder>::Ok, <T0 as Encoder>::Error>
where T0: Encoder<Mode = Binary>,

Encode the given output.
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impl Encode<Text> for Hash

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fn encode<T0>( &self, _1: &<T0 as Encoder>::Cx, _0: T0, ) -> Result<<T0 as Encoder>::Ok, <T0 as Encoder>::Error>
where T0: Encoder<Mode = Text>,

Encode the given output.
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impl From<Hash> for ConstValue

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fn from(value: Hash) -> Self

Converts to this type from the input type.
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impl From<Hash> for Value

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fn from(value: Hash) -> Self

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

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fn from_value(value: Value) -> Result<Self, RuntimeError>

Try to convert to the given type, from the given value.
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impl Hash for Hash

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

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 InstallWith for Hash

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fn install_with(_: &mut Module) -> Result<(), ContextError>

Hook to install more things into the module.
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impl IntoHash for Hash

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fn into_hash(self) -> Hash

Convert current type into a hash.
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impl IntoOutput for Hash

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fn into_output(self) -> Result<Value, RuntimeError>

Coerce the current value into an output.
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impl MaybeTypeOf for Hash

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fn maybe_type_of() -> Result<DocType>

Type information for the given type.
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impl Named for Hash

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const ITEM: &'static Item

The name item.
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fn full_name(f: &mut Formatter<'_>) -> Result

The full name of the type.
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fn display() -> impl Display

Return a display wrapper for the full name of the type.
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impl Ord for Hash

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fn cmp(&self, other: &Hash) -> 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 Hash

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fn eq(&self, other: &Hash) -> 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 Hash

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fn partial_cmp(&self, other: &Hash) -> 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 Serialize for Hash

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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. Read more
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impl ToConstValue for Hash

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fn to_const_value(self) -> Result<ConstValue, RuntimeError>

Convert into a constant value.
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fn construct() -> Option<Arc<dyn ConstConstruct>>

Return the constant constructor for the given type.
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impl ToValue for Hash

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fn to_value(self) -> Result<Value, RuntimeError>

Convert into a value.
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impl TryClone for Hash

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fn try_clone(&self) -> Result<Hash, Error>

Try to clone the current value, raising an allocation error if it’s unsuccessful.
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fn try_clone_from(&mut self, source: &Self) -> Result<(), Error>

Performs copy-assignment from source. Read more
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impl TypeHash for Hash

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const HASH: Hash

The complete type hash of the type including type parameters which uniquely identifiers a given type. Read more
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impl TypeOf for Hash

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const STATIC_TYPE_INFO: AnyTypeInfo

Access diagnostical type information for the current type. Read more
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const PARAMETERS: Hash = Hash::EMPTY

Type parameters for the type. Read more
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fn type_info() -> TypeInfo

Get type info associated with the current type.
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impl Copy for Hash

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impl Eq for Hash

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impl StructuralPartialEq for Hash

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impl ToTypeHash for Hash

Auto Trait Implementations§

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impl Freeze for Hash

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impl RefUnwindSafe for Hash

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impl Send for Hash

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impl Sync for Hash

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impl Unpin for Hash

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impl UnwindSafe for Hash

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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, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<Q, K> Comparable<K> for Q
where Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> Same for T

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type Output = T

Should always be Self
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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> ToReturn for T
where T: ToValue,

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fn to_return(self) -> VmResult<Value>

Convert something into a return value.
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impl<T> ToString for T
where T: Display + ?Sized,

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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.
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impl<T> TryToOwned for T
where T: TryClone,

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type Owned = T

The resulting type after obtaining ownership.
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fn try_to_owned(&self) -> Result<T, Error>

Creates owned data from borrowed data, usually by cloning. Read more
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impl<T> TryToString for T
where T: Display,

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fn try_to_string(&self) -> Result<String, Error>

Converts the given value to a String. Read more
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impl<T> UnsafeToValue for T
where T: ToValue,

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type Guard = ()

The type used to guard the unsafe value conversion.
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unsafe fn unsafe_to_value( self, ) -> Result<(Value, <T as UnsafeToValue>::Guard), RuntimeError>

Convert into a value. Read more
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<M, D> DecodeOwned<M> for D
where D: for<'de> Decode<'de, M>,

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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T

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impl<T> RuleType for T
where T: Copy + Debug + Eq + Hash + Ord,