Struct Environment 

pub struct Environment {
    pub current_module: Option<Rc<str>>,
    /* private fields */
}

The environment on which a Ryan program operates.

Fields

current_module: Option<Rc<str>>

The name of the current model. It can be None if no module is set. This happens when, e.g., executing Ryan from a supplied string without any extra configuration.

Implementations

impl Environment

pub fn new(module: Option<&str>) -> Environment

Creates a new environment with the default settings (default importer and default built_ins) with an optional current module name.

pub fn builder() -> EnvironmentBuilder

Creates an environment builder. Use this to tweak Ryan.

pub fn builtin(&self, id: &str) -> Option<Value>

Returns the value associated with a given builtin name.

pub fn load( &self, format: Format, path: &str, ) -> Result<Value, Box<dyn Error + 'static>>

Loads a module as a given Format from a supplied path using the currently configured loader.

Trait Implementations

impl Clone for Environment

fn clone(&self) -> Environment

Returns a duplicate 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.