Enum wasmtime::ExternType

pub enum ExternType {
    Func(FuncType),
    Global(GlobalType),
    Table(TableType),
    Memory(MemoryType),
    Instance(InstanceType),
    Module(ModuleType),
}

A list of all possible types which can be externally referenced from a WebAssembly module.

This list can be found in ImportType or ExportType, so these types can either be imported or exported.

Variants

Func(FuncType)

This external type is the type of a WebAssembly function.

Tuple Fields of Func

0: FuncType

Global(GlobalType)

This external type is the type of a WebAssembly global.

Tuple Fields of Global

0: GlobalType

Table(TableType)

This external type is the type of a WebAssembly table.

Tuple Fields of Table

0: TableType

Memory(MemoryType)

This external type is the type of a WebAssembly memory.

Tuple Fields of Memory

0: MemoryType

Instance(InstanceType)

This external type is the type of a WebAssembly instance.

Tuple Fields of Instance

0: InstanceType

Module(ModuleType)

This external type is the type of a WebAssembly module.

Tuple Fields of Module

0: ModuleType

Implementations

impl ExternType

pub fn func(&self) -> Option<&FuncType>

Attempt to return the underlying type of this external type, returning None if it is a different type.

pub fn unwrap_func(&self) -> &FuncType

Returns the underlying descriptor of this ExternType, panicking if it is a different type.

Panics

Panics if self is not of the right type.

pub fn global(&self) -> Option<&GlobalType>

Attempt to return the underlying type of this external type, returning None if it is a different type.

pub fn unwrap_global(&self) -> &GlobalType

Returns the underlying descriptor of this ExternType, panicking if it is a different type.

Panics

Panics if self is not of the right type.

pub fn table(&self) -> Option<&TableType>

Attempt to return the underlying type of this external type, returning None if it is a different type.

pub fn unwrap_table(&self) -> &TableType

Returns the underlying descriptor of this ExternType, panicking if it is a different type.

Panics

Panics if self is not of the right type.

pub fn memory(&self) -> Option<&MemoryType>

Attempt to return the underlying type of this external type, returning None if it is a different type.

pub fn unwrap_memory(&self) -> &MemoryType

Returns the underlying descriptor of this ExternType, panicking if it is a different type.

Panics

Panics if self is not of the right type.

pub fn module(&self) -> Option<&ModuleType>

Attempt to return the underlying type of this external type, returning None if it is a different type.

pub fn unwrap_module(&self) -> &ModuleType

Returns the underlying descriptor of this ExternType, panicking if it is a different type.

Panics

Panics if self is not of the right type.

pub fn instance(&self) -> Option<&InstanceType>

Attempt to return the underlying type of this external type, returning None if it is a different type.

pub fn unwrap_instance(&self) -> &InstanceType

Returns the underlying descriptor of this ExternType, panicking if it is a different type.

Panics

Panics if self is not of the right type.

Trait Implementations

impl Clone for ExternType

fn clone(&self) -> ExternType

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ExternType

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

Formats the value using the given formatter.

impl From<FuncType> for ExternType

fn from(ty: FuncType) -> ExternType

Performs the conversion.

impl From<GlobalType> for ExternType

fn from(ty: GlobalType) -> ExternType

Performs the conversion.

impl From<InstanceType> for ExternType

fn from(ty: InstanceType) -> ExternType

Performs the conversion.

impl From<MemoryType> for ExternType

fn from(ty: MemoryType) -> ExternType

Performs the conversion.

impl From<ModuleType> for ExternType

fn from(ty: ModuleType) -> ExternType

Performs the conversion.

impl From<TableType> for ExternType

fn from(ty: TableType) -> ExternType

Performs the conversion.