Struct Lenv

pub struct Lenv { /* private fields */ }

Implementations

impl Lenv

pub fn new() -> Self

impl Lenv

pub fn push(&mut self, lookup: Lookup)

pub fn pop(&mut self) -> Option<Lookup>

pub fn peek(&self) -> Option<&Lookup>

pub fn peek_mut(&mut self) -> Option<&mut Lookup>

pub fn iter(&self) -> Iter<'_>

pub fn insert(&mut self, key: &str, lval: Lval)

pub fn insert_last(&mut self, key: &str, lval: Lval)

pub fn get(&self, key: &str) -> Option<Lval>

Trait Implementations

impl Clone for Lenv

fn clone(&self) -> Lenv

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Drop for Lenv

fn drop(&mut self)

Executes the destructor for this type.