Enum wasmi::ExternVal

pub enum ExternVal {
    Func(FuncRef),
    Table(TableRef),
    Memory(MemoryRef),
    Global(GlobalRef),
}

An external value is the runtime representation of an entity that can be imported or exported.

Variants

Func(FuncRef)

Function.

Table(TableRef)

Table.

Memory(MemoryRef)

Memory.

Global(GlobalRef)

Global.

Should be immutable.

Methods

impl ExternVal

pub fn as_func(&self) -> Option<&FuncRef>

Get underlying function reference if this ExternVal contains a function, or None if it is some other kind.

pub fn as_table(&self) -> Option<&TableRef>

Get underlying table reference if this ExternVal contains a table, or None if it is some other kind.

pub fn as_memory(&self) -> Option<&MemoryRef>

Get underlying memory reference if this ExternVal contains a memory, or None if it is some other kind.

pub fn as_global(&self) -> Option<&GlobalRef>

Get underlying global variable reference if this ExternVal contains a global, or None if it is some other kind.

Trait Implementations

impl Clone for ExternVal

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ExternVal

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

Formats the value using the given formatter.