Instruction

Enum Instruction 

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pub enum Instruction {
    Numeric(NumericInstruction),
    Reference(ReferenceInstruction),
    Parametric(ParametricInstruction),
    Variable(VariableInstruction),
    Table(TableInstruction),
    Memory(MemoryInstruction),
    Control(ControlInstruction),
}
Expand description

WebAssembly code consists of sequences of instructions. Its computational model is based on a stack machine in that instructions manipulate values on an implicit operand stack, consuming (popping) argument values and producing or returning (pushing) result values. In addition to dynamic operands from the stack, some instructions also have static immediate arguments, typically indices or type annotations, which are part of the instruction itself. Some instructions are structured in that they bracket nested sequences of instructions. The following sections group instructions into a number of different categories.

See https://webassembly.github.io/spec/core/syntax/instructions.html#instructions

§Examples

See the specific instruction types for examples.

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impl Clone for Instruction

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fn clone(&self) -> Instruction

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 Instruction

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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 From<ControlInstruction> for Instruction

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fn from(instruction: ControlInstruction) -> Self

Converts to this type from the input type.
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impl From<MemoryInstruction> for Instruction

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fn from(instruction: MemoryInstruction) -> Self

Converts to this type from the input type.
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impl From<NumericInstruction> for Instruction

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fn from(instruction: NumericInstruction) -> Self

Converts to this type from the input type.
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impl From<ParametricInstruction> for Instruction

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fn from(instruction: ParametricInstruction) -> Self

Converts to this type from the input type.
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impl From<ReferenceInstruction> for Instruction

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fn from(instruction: ReferenceInstruction) -> Self

Converts to this type from the input type.
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impl From<TableInstruction> for Instruction

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fn from(instruction: TableInstruction) -> Self

Converts to this type from the input type.
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impl From<VariableInstruction> for Instruction

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fn from(instruction: VariableInstruction) -> Self

Converts to this type from the input type.
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impl From<f32> for Instruction

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fn from(value: f32) -> Self

Converts to this type from the input type.
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impl From<f64> for Instruction

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fn from(value: f64) -> Self

Converts to this type from the input type.
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impl From<i16> for Instruction

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fn from(value: i16) -> Self

Converts to this type from the input type.
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impl From<i32> for Instruction

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fn from(value: i32) -> Self

Converts to this type from the input type.
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impl From<i64> for Instruction

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fn from(value: i64) -> Self

Converts to this type from the input type.
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impl From<i8> for Instruction

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fn from(value: i8) -> Self

Converts to this type from the input type.
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impl From<u16> for Instruction

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fn from(value: u16) -> Self

Converts to this type from the input type.
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impl From<u32> for Instruction

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fn from(value: u32) -> Self

Converts to this type from the input type.
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impl From<u8> for Instruction

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fn from(value: u8) -> Self

Converts to this type from the input type.
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impl PartialEq for Instruction

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fn eq(&self, other: &Instruction) -> 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 StructuralPartialEq for Instruction

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Blanket Implementations§

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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, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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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, 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> 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, 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.