Struct yolk::environment::Environment

pub struct Environment { /* fields omitted */ }

Represents a Yolk program environment.

Methods

impl Environment

pub fn new() -> Environment

Creates an empty environment.

pub fn context(&self) -> Context

Gets the context of an environment.

pub fn variable(&self, ident: &str) -> Result<Value, TranspileError>

Gets the value of a variable from an environment.

pub fn function(&self, ident: &str) -> Result<Function, TranspileError>

Gets a function from an environment.

pub fn import(&mut self, ident: &str) -> Result<(), TranspileError>

Imports a variable into an environment.

pub fn define(
    &mut self,
    ident: &str,
    function: Function
) -> Result<(), TranspileError>

Defines a function in an environmnent.

pub fn let_value(
    &mut self,
    ident: &str,
    value: Value
) -> Result<Vec<YololNode>, TranspileError>

Assigns a value to a variable in an environment.

Returns the associated Yolol assign statements.

pub fn export(&mut self, ident: &str) -> Result<(), TranspileError>

Exports a variable from an environment.

Tracks which variable identifiers must not be eliminated.

Trait Implementations

impl Clone for Environment

fn clone(&self) -> Environment

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Environment

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

Formats the value using the given formatter.