Struct upvars

pub struct upvars;

Lists the collected environment of a function.

builtin! fn upvars (ConValue::Function(f)) -> IResult<ConValue>
{
    let uv = f.upvars(); for (name, bind) in uv.iter()
    {
        match bind
        {
            Some(bind) =>println!("{name}: {bind}"), None =>
            println!("{name}: _"),
        }
    } Ok(ConValue::Empty)
}

Trait Implementations

impl BuiltIn for upvars

fn description(&self) -> &str

impl Callable for upvars

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 upvars

fn clone(&self) -> upvars

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for upvars

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

Formats the value using the given formatter.