Struct VmEnv 

pub struct VmEnv { /* private fields */ }

VM environment for variable storage.

Implementations

impl VmEnv

pub fn new() -> Self

pub fn push_scope(&mut self)

pub fn get(&self, name: &str) -> Option<VmValue>

pub fn define( &mut self, name: &str, value: VmValue, mutable: bool, ) -> Result<(), VmError>

pub fn all_variables(&self) -> BTreeMap<String, VmValue>

pub fn assign(&mut self, name: &str, value: VmValue) -> Result<(), VmError>

Trait Implementations

impl Clone for VmEnv

fn clone(&self) -> VmEnv

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VmEnv

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

Formats the value using the given formatter.

impl Default for VmEnv

fn default() -> Self

Returns the “default value” for a type.