Struct ListRegistry 

pub struct ListRegistry { /* private fields */ }

Registry of named list backends with one active default.

Implementations

impl ListRegistry

pub fn new() -> Self

Builds a registry preloaded with the vec backend as active.

pub fn register(&mut self, backend: Arc<dyn ListBackend>)

Registers a backend under its own name, replacing any prior one.

pub fn set_active(&mut self, name: &str) -> Result<()>

Selects the active backend by name, erroring if it is unknown.

pub fn active(&self) -> &str

Name of the currently active backend.

pub fn new_list(&self, cx: &mut Cx, items: Vec<Value>) -> Result<Value>

Builds a list using the active backend.

pub fn new_cons(&self, cx: &mut Cx, car: Value, cdr: Value) -> Result<Value>

Builds a cons cell using the active backend.

Trait Implementations

impl Default for ListRegistry

fn default() -> Self

Returns the “default value” for a type.