Struct TypeEnv 

pub struct TypeEnv(pub HashMap<String, Ty>);

Maps variable name (with $) → inferred Ty.

Tuple Fields

0: HashMap<String, Ty>

Implementations

impl TypeEnv

pub fn get(&self, var: &str) -> &Ty

pub fn class_name(&self, var: &str) -> Option<&str>

Convenience: return the class name when the type is Object(_).

pub fn insert(&mut self, var: String, ty: Ty)

Trait Implementations

impl Clone for TypeEnv

fn clone(&self) -> TypeEnv

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TypeEnv

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

Formats the value using the given formatter.

impl Default for TypeEnv

fn default() -> TypeEnv

Returns the “default value” for a type.