Trait FunctionDefinition

pub trait FunctionDefinition {
    // Required methods
    fn required_parameters(&self) -> usize;
    fn optional_parameters(&self) -> usize;
    fn check_types(&self, args: &[Rc<VariableType>]) -> FunctionTypecheck;
    fn call(&self, args: Arguments<'_>) -> Result<Variable>;
    fn param_type(&self, index: usize) -> String;
    fn return_type(&self) -> String;
}

Required Methods

fn required_parameters(&self) -> usize

fn optional_parameters(&self) -> usize

fn check_types(&self, args: &[Rc<VariableType>]) -> FunctionTypecheck

fn call(&self, args: Arguments<'_>) -> Result<Variable>

fn param_type(&self, index: usize) -> String

fn return_type(&self) -> String

Implementors