Trait Callable

Source

pub trait Callable: Debug {
    // Required methods
    fn call(
        &self,
        interpreter: &mut Interpreter<'_>,
        arguments: Vec<Object>,
    ) -> Result<Object, RuntimeError>;
    fn arity(&self) -> usize;
}

Expand description

Represents a callable object in the language.

Required Methods§

Source

fn call( &self, interpreter: &mut Interpreter<'_>, arguments: Vec<Object>, ) -> Result<Object, RuntimeError>

Calls the object with the given arguments and the current state of the interpreter. The interpreter is passed in as a mutable refernece so that the object can access the environment and call other functions. It returns the result of the call or an error if the call failed for some reason.

Source