Trait lep::Fun

pub trait Fun {
    fn invoke(
        &self, 
        w: &World, 
        args: Vec<Rc<dyn Any>>
    ) -> Result<Rc<dyn Any>, String>;
}

Fun is an extension function object.

Required methods

fn invoke(
    &self,
    w: &World,
    args: Vec<Rc<dyn Any>>
) -> Result<Rc<dyn Any>, String>

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Implementors

impl Fun for Add

fn invoke(
    &self,
    _: &World,
    args: Vec<Rc<dyn Any>>
) -> Result<Rc<dyn Any>, String>

impl Fun for Car

fn invoke(
    &self,
    _: &World,
    args: Vec<Rc<dyn Any>>
) -> Result<Rc<dyn Any>, String>

impl Fun for Cdr

fn invoke(
    &self,
    _: &World,
    args: Vec<Rc<dyn Any>>
) -> Result<Rc<dyn Any>, String>

impl Fun for Cons

fn invoke(
    &self,
    _: &World,
    args: Vec<Rc<dyn Any>>
) -> Result<Rc<dyn Any>, String>

impl Fun for Div

fn invoke(
    &self,
    _: &World,
    args: Vec<Rc<dyn Any>>
) -> Result<Rc<dyn Any>, String>

impl Fun for Identity

fn invoke(
    &self,
    _: &World,
    args: Vec<Rc<dyn Any>>
) -> Result<Rc<dyn Any>, String>

impl Fun for List

fn invoke(
    &self,
    _: &World,
    args: Vec<Rc<dyn Any>>
) -> Result<Rc<dyn Any>, String>

impl Fun for Mul

fn invoke(
    &self,
    _: &World,
    args: Vec<Rc<dyn Any>>
) -> Result<Rc<dyn Any>, String>

impl Fun for Not

fn invoke(
    &self,
    _: &World,
    args: Vec<Rc<dyn Any>>
) -> Result<Rc<dyn Any>, String>

impl Fun for Sub

fn invoke(
    &self,
    _: &World,
    args: Vec<Rc<dyn Any>>
) -> Result<Rc<dyn Any>, String>

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