Struct wasm_encoder::ConstExpr

pub struct ConstExpr { /* private fields */ }

A constant expression.

Usable in contexts such as offsets or initializers.

Implementations

impl ConstExpr

pub fn empty() -> Self

Create a new empty constant expression builder.

pub fn raw(bytes: impl IntoIterator<Item = u8>) -> Self

Create a constant expression with the specified raw encoding of instructions.

pub fn global_get(index: u32) -> Self

Create a constant expression containing a single global.get instruction.

pub fn ref_null(ty: HeapType) -> Self

Create a constant expression containing a single ref.null instruction.

pub fn ref_func(func: u32) -> Self

Create a constant expression containing a single ref.func instruction.

pub fn i32_const(value: i32) -> Self

Create a constant expression containing a single i32.const instruction.

pub fn i64_const(value: i64) -> Self

Create a constant expression containing a single i64.const instruction.

pub fn f32_const(value: f32) -> Self

Create a constant expression containing a single f32.const instruction.

pub fn f64_const(value: f64) -> Self

Create a constant expression containing a single f64.const instruction.

pub fn v128_const(value: i128) -> Self

Create a constant expression containing a single v128.const instruction.

Trait Implementations

impl Debug for ConstExpr

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

Formats the value using the given formatter.

impl Encode for ConstExpr

fn encode(&self, sink: &mut Vec<u8>)

Encode the type into the given byte sink.