Struct GuestFunctionRegister 

pub struct GuestFunctionRegister<F: Copy> { /* private fields */ }

Represents the functions that the guest exposes to the host.

Implementations

impl<F: Copy> GuestFunctionRegister<F>

pub const fn new() -> Self

Create a new GuestFunctionRegister.

pub fn register( &mut self, guest_function: GuestFunctionDefinition<F>, ) -> Option<GuestFunctionDefinition<F>>

Register a new GuestFunctionDefinition into self. If a function with the same name already exists, it will be replaced. None is returned if the function name was not previously registered, otherwise the previous GuestFunctionDefinition is returned.

pub fn get(&self, function_name: &str) -> Option<&GuestFunctionDefinition<F>>

Gets a GuestFunctionDefinition by its name field.

impl GuestFunctionRegister<GuestFunc>

pub fn register_fn<Output, Args>( &mut self, name: impl Into<String>, f: impl AsGuestFunctionDefinition<Output, Args>, )

where Args: ParameterTuple, Output: SupportedReturnType,

Trait Implementations

impl<F: Clone + Copy> Clone for GuestFunctionRegister<F>

fn clone(&self) -> GuestFunctionRegister<F>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<F: Debug + Copy> Debug for GuestFunctionRegister<F>

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

Formats the value using the given formatter.

impl<F: Copy> Default for GuestFunctionRegister<F>

fn default() -> Self

Returns the “default value” for a type.