Enum sp_wasm_interface::Value

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pub enum Value {
    I32(i32),
    I64(i64),
    F32(u32),
    F64(u64),
}

Expand description

Values supported by Substrate on the boundary between host/Wasm.

Variants

`I32(i32)`

A 32-bit integer.

`I64(i64)`

A 64-bit integer.

`F32(u32)`

A 32-bit floating-point number stored as raw bit pattern.

You can materialize this value using f32::from_bits.

`F64(u64)`

A 64-bit floating-point number stored as raw bit pattern.

You can materialize this value using f64::from_bits.

Implementations

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impl Value

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pub fn value_type(&self) -> ValueType

Returns the type of this value.

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pub fn as_i32(&self) -> Option<i32>

Return Self as i32.

Trait Implementations

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impl Clone for Value

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fn clone(&self) -> Value

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

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impl Debug for Value

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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 Decode for Value

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fn decode<CodecInputEdqy: Input>(
codec_input_edqy: &mut __CodecInputEdqy
) -> Result<Self, Error>

Attempt to deserialise the value from input.

fn skip(input: &mut I) -> Result<(), Error>where
I: Input,

Attempt to skip the encoded value from input. Read more

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more

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impl Encode for Value

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fn encode_to<CodecOutputEdqy: Output + ?Sized>(
&self,
codec_dest_edqy: &mut __CodecOutputEdqy
)

Convert self to a slice and append it to the destination.

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding. Read more

fn encode(&self) -> Vec<u8, Global> ⓘ

Convert self to an owned vector.

fn using_encoded<R, F>(&self, f: F) -> Rwhere
F: FnOnce(&[u8]) -> R,

Convert self to a slice and then invoke the given closure with it.

fn encoded_size(&self) -> usize

Calculates the encoded size. Read more

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impl From<Value> for ReturnValue

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fn from(v: Value) -> ReturnValue

Converts to this type from the input type.

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impl From<Value> for RuntimeValue

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fn from(value: Value) -> Self

Converts to this type from the input type.

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impl From<Value> for Value

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fn from(value: RuntimeValue) -> Self

Converts to this type from the input type.

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impl PartialEq<Value> for Value

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

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

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impl Copy for Value

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impl EncodeLike<Value> for Value

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impl StructuralPartialEq for Value

Auto Trait Implementations

impl RefUnwindSafe for Value

impl Send for Value

impl Sync for Value

impl Unpin for Value

impl UnwindSafe for Value

Blanket Implementations

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impl<T> Any for Twhere
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 Twhere
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> DecodeAll for Twhere
T: Decode,

fn decode_all(input: &mut &[u8]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

impl<T> DecodeLimit for Twhere
T: Decode,

fn decode_all_with_depth_limit(limit: u32, input: &mut &[u8]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

fn decode_with_depth_limit(limit: u32, input: &mut I) -> Result<T, Error>where
I: Input,

Decode Self with the given maximum recursion depth and advance input by the number of bytes consumed. Read more

impl<T> Downcast for Twhere
T: Any,

fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait. Read more

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait. Read more

fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s. Read more

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s. Read more

impl<T> DowncastSync for Twhere
T: Any + Send + Sync,

fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send + 'static>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> KeyedVec for Twhere
T: Codec,

fn to_keyed_vec(&self, prepend_key: &[u8]) -> Vec<u8, Global> ⓘ

Return an encoding of Self prepended by given slice.

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> ToOwned for Twhere
T: Clone,

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 for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<S> Codec for Swhere
S: Decode + Encode,

impl<T> EncodeLike<&&T> for Twhere
T: Encode,

impl<T> EncodeLike<&T> for Twhere
T: Encode,

impl<T> EncodeLike<&mut T> for Twhere
T: Encode,

impl<T> EncodeLike<Arc<T>> for Twhere
T: Encode,

impl<T> EncodeLike<Box<T, Global>> for Twhere
T: Encode,

impl<'a, T> EncodeLike<Cow<'a, T>> for Twhere
T: ToOwned + Encode,

impl<T> EncodeLike<Rc<T>> for Twhere
T: Encode,

impl<S> FullCodec for Swhere
S: Decode + FullEncode,

impl<S> FullEncode for Swhere
S: Encode + EncodeLike<S>,

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Enum sp_wasm_interface::Value

Variants

I32(i32)

I64(i64)

F32(u32)

F64(u64)

Implementations

impl Value

pub fn value_type(&self) -> ValueType

pub fn as_i32(&self) -> Option<i32>

Trait Implementations

impl Clone for Value

fn clone(&self) -> Value

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

impl Debug for Value

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

impl Decode for Value

fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy) -> Result<Self, Error>

fn skip<I>(input: &mut I) -> Result<(), Error>where I: Input,

fn encoded_fixed_size() -> Option<usize>

impl Encode for Value

fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy)

fn size_hint(&self) -> usize

fn encode(&self) -> Vec<u8, Global> ⓘ

fn using_encoded<R, F>(&self, f: F) -> Rwhere F: FnOnce(&[u8]) -> R,

fn encoded_size(&self) -> usize

impl From<Value> for ReturnValue

fn from(v: Value) -> ReturnValue

impl From<Value> for RuntimeValue

fn from(value: Value) -> Self

impl From<Value> for Value

fn from(value: RuntimeValue) -> Self

impl PartialEq<Value> for Value

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

fn ne(&self, other: &Rhs) -> bool

impl Copy for Value

impl EncodeLike<Value> for Value

impl StructuralPartialEq for Value

Auto Trait Implementations

impl RefUnwindSafe for Value

impl Send for Value

impl Sync for Value

impl Unpin for Value

impl UnwindSafe for Value

Blanket Implementations

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> DecodeAll for Twhere T: Decode,

fn decode_all(input: &mut &[u8]) -> Result<T, Error>

impl<T> DecodeLimit for Twhere T: Decode,

fn decode_all_with_depth_limit(limit: u32, input: &mut &[u8]) -> Result<T, Error>

fn decode_with_depth_limit<I>(limit: u32, input: &mut I) -> Result<T, Error>where I: Input,

impl<T> Downcast for Twhere T: Any,

fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

fn as_any(&self) -> &(dyn Any + 'static)

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

impl<T> DowncastSync for Twhere T: Any + Send + Sync,

fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send + 'static>

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> KeyedVec for Twhere T: Codec,

fn to_keyed_vec(&self, prepend_key: &[u8]) -> Vec<u8, Global> ⓘ

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T> Same<T> for T

type Output = T

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

`I32(i32)`

`I64(i64)`

`F32(u32)`

`F64(u64)`

fn decode<CodecInputEdqy: Input>(
codec_input_edqy: &mut __CodecInputEdqy
) -> Result<Self, Error>

fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,

fn encode_to<CodecOutputEdqy: Output + ?Sized>(
&self,
codec_dest_edqy: &mut __CodecOutputEdqy
)

fn using_encoded<R, F>(&self, f: F) -> Rwhere
F: FnOnce(&[u8]) -> R,

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

impl<T> DecodeAll for Twhere
T: Decode,

impl<T> DecodeLimit for Twhere
T: Decode,

fn decode_with_depth_limit<I>(limit: u32, input: &mut I) -> Result<T, Error>where
I: Input,

impl<T> Downcast for Twhere
T: Any,

impl<T> DowncastSync for Twhere
T: Any + Send + Sync,

impl<T, U> Into<U> for Twhere
U: From<T>,

impl<T> KeyedVec for Twhere
T: Codec,

impl<T> ToOwned for Twhere
T: Clone,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

impl<S> Codec for Swhere
S: Decode + Encode,

impl<T> EncodeLike<&&T> for Twhere
T: Encode,

impl<T> EncodeLike<&T> for Twhere
T: Encode,

impl<T> EncodeLike<&mut T> for Twhere
T: Encode,

impl<T> EncodeLike<Arc<T>> for Twhere
T: Encode,

impl<T> EncodeLike<Box<T, Global>> for Twhere
T: Encode,

impl<'a, T> EncodeLike<Cow<'a, T>> for Twhere
T: ToOwned + Encode,

impl<T> EncodeLike<Rc<T>> for Twhere
T: Encode,

impl<S> FullCodec for Swhere
S: Decode + FullEncode,

impl<S> FullEncode for Swhere
S: Encode + EncodeLike<S>,

impl<T> MaybeRefUnwindSafe for Twhere
T: RefUnwindSafe,