Struct FunctionRegistry 

pub struct FunctionRegistry { /* private fields */ }

Registry that maps helper names to callable functions.

Implementations

impl FunctionRegistry

pub fn empty() -> FunctionRegistry

Creates an empty registry.

pub fn builder() -> FunctionRegistryBuilder

Returns a new builder for constructing registries.

pub fn from_builder(builder: FunctionRegistryBuilder) -> FunctionRegistry

Builds a registry from a previously configured builder.

pub fn get( &self, name: &str, ) -> Option<Arc<dyn Fn(&mut EvalContext, &[Value]) -> Result<Value, Error> + Send + Sync>>

Fetches a helper function by name.

pub fn is_empty(&self) -> bool

Reports whether the registry contains no helper functions.

Trait Implementations

impl Clone for FunctionRegistry

fn clone(&self) -> FunctionRegistry

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for FunctionRegistry

fn default() -> FunctionRegistry

Returns the “default value” for a type.