Enum WasmValue 

pub enum WasmValue {
    I32(i32),
    I64(i64),
    F32(f32),
    F64(f64),
    V128(i128),
    RefExtern(ExternRef),
    RefFunc(FuncRef),
}

A WebAssembly value.

See https://webassembly.github.io/spec/core/syntax/types.html#value-types

Variants

I32(i32)

A 32-bit integer.

I64(i64)

A 64-bit integer.

F32(f32)

A 32-bit float.

F64(f64)

A 64-bit float.

V128(i128)

RefExtern(ExternRef)

RefFunc(FuncRef)

Implementations

impl WasmValue

pub fn const_instr(&self) -> Box<[ConstInstruction]>

Get the matching ConstInstruction for this value.

pub const fn default_for(ty: WasmType) -> Self

Get the default value for a given type.

pub fn eq_loose(&self, other: &Self) -> bool

Check if two values are equal, ignoring differences in NaN values.

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

Return the i32 from a WasmValue, if it is an I32.

pub const fn as_i64(&self) -> Option<i64>

Return the i64 from a WasmValue, if it is an I64.

pub const fn as_f32(&self) -> Option<f32>

Return the f32 from a WasmValue, if it is a F32.

pub const fn as_f64(&self) -> Option<f64>

Return the f64 from a WasmValue, if it is a F64.

pub const fn as_v128(&self) -> Option<i128>

Return the i128 from a WasmValue, if it is a V128.

pub const fn as_ref_extern(&self) -> Option<ExternRef>

Return the [ExternRef] from a WasmValue, if it is one

pub const fn as_ref_func(&self) -> Option<FuncRef>

Return the FuncRef from a WasmValue, if it is one

Trait Implementations

impl Clone for WasmValue

fn clone(&self) -> WasmValue

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WasmValue

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

Formats the value using the given formatter.

impl From<&WasmValue> for WasmType

fn from(value: &WasmValue) -> Self

Converts to this type from the input type.

impl From<ExternRef> for WasmValue

fn from(i: ExternRef) -> Self

Converts to this type from the input type.

impl From<FuncRef> for WasmValue

fn from(i: FuncRef) -> Self

Converts to this type from the input type.

impl From<WasmValue> for WasmType

fn from(value: WasmValue) -> Self

Converts to this type from the input type.

impl From<f32> for WasmValue

fn from(i: f32) -> Self

Converts to this type from the input type.

impl From<f64> for WasmValue

fn from(i: f64) -> Self

Converts to this type from the input type.

impl From<i128> for WasmValue

fn from(i: i128) -> Self

Converts to this type from the input type.

impl From<i32> for WasmValue

fn from(i: i32) -> Self

Converts to this type from the input type.

impl From<i64> for WasmValue

fn from(i: i64) -> Self

Converts to this type from the input type.

impl PartialEq for WasmValue

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl TryFrom<WasmValue> for ExternRef

type Error = ()

The type returned in the event of a conversion error.

fn try_from(value: WasmValue) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<WasmValue> for FuncRef

type Error = ()

The type returned in the event of a conversion error.

fn try_from(value: WasmValue) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<WasmValue> for f32

type Error = ()

The type returned in the event of a conversion error.

fn try_from(value: WasmValue) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<WasmValue> for f64

type Error = ()

The type returned in the event of a conversion error.

fn try_from(value: WasmValue) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<WasmValue> for i128

type Error = ()

The type returned in the event of a conversion error.

fn try_from(value: WasmValue) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<WasmValue> for i32

type Error = ()

The type returned in the event of a conversion error.

fn try_from(value: WasmValue) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<WasmValue> for i64

type Error = ()

The type returned in the event of a conversion error.

fn try_from(value: WasmValue) -> Result<Self, Self::Error>

Performs the conversion.

impl Copy for WasmValue

impl StructuralPartialEq for WasmValue