Struct cl_interpret::builtin::add

pub struct add;

Addition a + b

builtin! fn add (lhs, rhs) -> IResult<ConValue>
{
    Ok(match (lhs, rhs) {
            (ConValue::Empty, ConValue::Empty) => ConValue::Empty,
            (ConValue::Int(a), ConValue::Int(b)) => ConValue::Int(a + b),
            (ConValue::String(a), ConValue::String(b)) =>
                (a.to_string() + &b.to_string()).into(),
            _ => Err(Error::TypeError)?,
        })
}

Trait Implementations

impl BuiltIn for add

fn description(&self) -> &str

impl Callable for add

fn call(&self, env: &mut Environment, args: &[ConValue]) -> IResult<ConValue>

Calls this Callable in the provided Environment, with ConValue args
The Callable is responsible for checking the argument count and validating types

fn name(&self) -> Sym

Returns the common name of this identifier.

impl Clone for add

fn clone(&self) -> add

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for add

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

Formats the value using the given formatter.