pub struct Value<T = ()> {
pub value: ValueDef<T>,
pub context: T,
}
Expand description
Value
holds a representation of some value that has been decoded, as well as some arbitrary context.
Not all SCALE encoded types have an similar-named value; for instance, the values corresponding to
sequence, array and composite types can all be represented with [Composite
]. Only enough information
is preserved here to to be able to encode and decode SCALE bytes with a known type to and from Value
s
losslessly.
Fields§
§value: ValueDef<T>
The shape and associated data for this Value
context: T
Some additional arbitrary context that can be associated with a value.
Implementations§
§impl Value<()>
impl Value<()>
pub fn named_composite<S, Vals>(vals: Vals) -> Value<()>where
S: Into<String>,
Vals: IntoIterator<Item = (S, Value<()>)>,
pub fn named_composite<S, Vals>(vals: Vals) -> Value<()>where S: Into<String>, Vals: IntoIterator<Item = (S, Value<()>)>,
Construct a named composite type from any type which produces a tuple of keys and values when iterated over.
pub fn unnamed_composite<Vals>(vals: Vals) -> Value<()>where
Vals: IntoIterator<Item = Value<()>>,
pub fn unnamed_composite<Vals>(vals: Vals) -> Value<()>where Vals: IntoIterator<Item = Value<()>>,
Construct an unnamed composite type from any type which produces values when iterated over.
pub fn variant<S>(name: S, values: Composite<()>) -> Value<()>where
S: Into<String>,
pub fn variant<S>(name: S, values: Composite<()>) -> Value<()>where S: Into<String>,
Create a new variant value without additional context.
pub fn named_variant<S, F, Vals>(name: S, fields: Vals) -> Value<()>where
S: Into<String>,
F: Into<String>,
Vals: IntoIterator<Item = (F, Value<()>)>,
pub fn named_variant<S, F, Vals>(name: S, fields: Vals) -> Value<()>where S: Into<String>, F: Into<String>, Vals: IntoIterator<Item = (F, Value<()>)>,
Create a new variant value with named fields and without additional context.
pub fn unnamed_variant<S, Vals>(name: S, fields: Vals) -> Value<()>where
S: Into<String>,
Vals: IntoIterator<Item = Value<()>>,
pub fn unnamed_variant<S, Vals>(name: S, fields: Vals) -> Value<()>where S: Into<String>, Vals: IntoIterator<Item = Value<()>>,
Create a new variant value with tuple-like fields and without additional context.
pub fn bit_sequence(bits: Bits) -> Value<()>
pub fn bit_sequence(bits: Bits) -> Value<()>
Create a new bit sequence value without additional context.
pub fn primitive(primitive: Primitive) -> Value<()>
pub fn primitive(primitive: Primitive) -> Value<()>
Create a new primitive value without additional context.
pub fn string<S>(val: S) -> Value<()>where
S: Into<String>,
pub fn string<S>(val: S) -> Value<()>where S: Into<String>,
Create a new string value without additional context.
pub fn from_bytes(bytes: impl AsRef<[u8]>) -> Value<()>
pub fn from_bytes(bytes: impl AsRef<[u8]>) -> Value<()>
Create a new Value from a set of bytes; useful for converting things like AccountIds.
§impl Value<()>
impl Value<()>
pub fn without_context(value: ValueDef<()>) -> Value<()>
pub fn without_context(value: ValueDef<()>) -> Value<()>
Create a new value with no associated context.
§impl<T> Value<T>
impl<T> Value<T>
pub fn with_context(value: ValueDef<T>, context: T) -> Value<T>
pub fn with_context(value: ValueDef<T>, context: T) -> Value<T>
Create a new value with some associated context.
pub fn remove_context(self) -> Value<()>
pub fn remove_context(self) -> Value<()>
Remove the context.
pub fn map_context<F, U>(self, f: F) -> Value<U>where
F: Clone + FnMut(T) -> U,
pub fn map_context<F, U>(self, f: F) -> Value<U>where F: Clone + FnMut(T) -> U,
Map the context to some different type.
Trait Implementations§
§impl<'de> Deserialize<'de> for Value<()>
impl<'de> Deserialize<'de> for Value<()>
§fn deserialize<D>(
deserializer: D
) -> Result<Value<()>, <D as Deserializer<'de>>::Error>where
D: Deserializer<'de>,
fn deserialize<D>( deserializer: D ) -> Result<Value<()>, <D as Deserializer<'de>>::Error>where D: Deserializer<'de>,
§impl<'de, T> Deserializer<'de> for Value<T>
impl<'de, T> Deserializer<'de> for Value<T>
§type Error = DeserializerError
type Error = DeserializerError
§fn deserialize_any<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Value<T> as Deserializer<'de>>::Error>where
V: Visitor<'de>,
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Deserializer
to figure out how to drive the visitor based
on what data type is in the input. Read more§fn deserialize_bool<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Value<T> as Deserializer<'de>>::Error>where
V: Visitor<'de>,
fn deserialize_bool<V>( self, visitor: V ) -> Result<<V as Visitor<'de>>::Value, <Value<T> as Deserializer<'de>>::Error>where V: Visitor<'de>,
Deserialize
type is expecting a bool
value.§fn deserialize_i8<V>(
self,
visitor: V
) -> Result<<V as Visitor<'de>>::Value, <Value<T> as Deserializer<'de>>::Error>where
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visitor: V
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) -> Result<<V as Visitor<'de>>::Value, <Value<T> as Deserializer<'de>>::Error>where
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type is expecting an enum value with a
particular name and possible variants.source§fn is_human_readable(&self) -> bool
fn is_human_readable(&self) -> bool
Deserialize
implementations should expect to
deserialize their human-readable form. Read more§impl<T> EncodeAsFields for Value<T>
impl<T> EncodeAsFields for Value<T>
§impl<T> EncodeAsType for Value<T>
impl<T> EncodeAsType for Value<T>
source§impl From<RuntimeCall> for Value
impl From<RuntimeCall> for Value
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fn from(call: RuntimeCall) -> Value
§impl<'de, T> IntoDeserializer<'de, DeserializerError> for Value<T>
impl<'de, T> IntoDeserializer<'de, DeserializerError> for Value<T>
§type Deserializer = Value<T>
type Deserializer = Value<T>
§fn into_deserializer(
self
) -> <Value<T> as IntoDeserializer<'de, DeserializerError>>::Deserializer
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§impl<T> Serialize for Value<T>
impl<T> Serialize for Value<T>
§fn serialize<S>(
&self,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
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impl<T> Eq for Value<T>where T: Eq,
impl<T> StructuralEq for Value<T>
impl<T> StructuralPartialEq for Value<T>
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impl<T> Send for Value<T>where T: Send,
impl<T> Sync for Value<T>where T: Sync,
impl<T> Unpin for Value<T>where T: Unpin,
impl<T> UnwindSafe for Value<T>where T: UnwindSafe,
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