Struct Environment

pub struct Environment { /* private fields */ }

Implementations

impl Environment

pub fn new() -> Self

pub fn define(&mut self, identifier: &str, value: ValueResult, is_const: bool)

pub fn assign( &mut self, identifier: &str, value: ValueResult, span: &Span, ) -> Result<()>

pub fn get(&self, identifier: &str, span: &Span) -> Result<&ValueResult>

pub fn enter_scope(&mut self)

pub fn exit_scope(&mut self)

Trait Implementations

impl Default for Environment

fn default() -> Self

Returns the “default value” for a type.