Struct BuiltinRegistry 

pub struct BuiltinRegistry { /* private fields */ }

Registry of builtin functions accessible from the VM.

Implementations

impl BuiltinRegistry

pub fn new() -> Self

Create a new registry with all Nix builtins registered.

pub fn lookup(&self, name: &str) -> Option<u16>

Look up a builtin by name, returning its index.

pub fn call(&self, index: u16, args: Vec<VMValue>) -> Result<VMValue, VMError>

Call a builtin by index.

pub fn make_builtins_attrset(&self, interner: &mut Interner) -> VMValue

Build the builtins attribute set with all registered builtins.

pub fn name(&self, index: u16) -> Option<&'static str>

Get the name of a builtin by index.

Trait Implementations

impl Default for BuiltinRegistry

fn default() -> Self

Returns the “default value” for a type.