Struct runestick::FnPtr

pub struct FnPtr { /* fields omitted */ }

A stored function, of some specific kind.

Implementations

impl FnPtr

pub fn from_handler(
    handler: Arc<dyn Fn(&mut Stack, usize) -> Result<(), VmError> + Sync>
) -> Self

Create a function pointer from a handler.

pub fn from_offset(
    context: Rc<Context>,
    unit: Rc<Unit>,
    offset: usize,
    call: UnitFnCall,
    args: usize
) -> Self

Create a function pointer from an offset.

pub fn from_closure(
    context: Rc<Context>,
    unit: Rc<Unit>,
    environment: Shared<Tuple>,
    offset: usize,
    call: UnitFnCall,
    args: usize
) -> Self

Create a function pointer from an offset.

pub fn from_tuple(hash: Hash, args: usize) -> Self

Create a function pointer from an offset.

pub fn from_variant_tuple(enum_hash: Hash, hash: Hash, args: usize) -> Self

Create a function pointer that constructs a tuple variant.

pub async fn call<A, T, '_>(&'_ self, args: A) -> Result<T, VmError> where
    A: IntoArgs,
    T: FromValue, 

Perform a call over the function pointer.

Trait Implementations

impl Debug for FnPtr

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

Formats the value using the given formatter.

impl FromValue for FnPtr

fn from_value(value: Value) -> Result<Self, ValueError>

Try to convert to the given type, from the given value.

impl ReflectValueType for FnPtr

type Owned = FnPtr

The internal, owned type used for this value.

fn value_type() -> ValueType

Convert into a value type.

fn value_type_info() -> ValueTypeInfo

Access diagnostical information on the value type.

impl<'_> ReflectValueType for &'_ FnPtr

type Owned = FnPtr

The internal, owned type used for this value.

fn value_type() -> ValueType

Convert into a value type.

fn value_type_info() -> ValueTypeInfo

Access diagnostical information on the value type.

impl ToValue for FnPtr

fn to_value(self) -> Result<Value, ValueError>

Convert into a value.

impl<'_> UnsafeFromValue for &'_ FnPtr

type Output = *const FnPtr

The output type from the unsafe coercion.

type Guard = RawOwnedRef

The raw guard returned.

unsafe fn unsafe_from_value(
    value: Value
) -> Result<(Self::Output, Self::Guard), ValueError>

Convert the given reference using unsafe assumptions to a value.

unsafe fn to_arg(output: Self::Output) -> Self

Coerce the output of an unsafe from value into the final output type.