Struct ToolRegistry 

pub struct ToolRegistry { /* private fields */ }

Tool registry for storing and managing multiple tool instances.

Provides name-based lookup and execution functionality.

Example

use langchainrust::ToolRegistry;
use langchainrust::Calculator;
use std::sync::Arc;

let registry = ToolRegistry::new();
registry.register(Arc::new(Calculator::new()));

let tool = registry.get("calculator").unwrap();

Implementations

impl ToolRegistry

pub fn new() -> Self

Creates an empty tool registry.

pub fn register(&mut self, tool: Arc<dyn BaseTool>) -> Option<Arc<dyn BaseTool>>

Registers a tool.

Arguments

• tool - Tool to register (wrapped in Arc for sharing).

Returns

Previous tool if name conflict, otherwise None.

pub fn get(&self, name: &str) -> Option<&Arc<dyn BaseTool>>

Gets a tool by name.

Arguments

• name - Tool name.

Returns

Tool reference if found, otherwise None.

pub fn tool_names(&self) -> Vec<&str>

Returns all tool names.

pub fn tools(&self) -> Vec<&Arc<dyn BaseTool>>

Returns all tools.

pub fn len(&self) -> usize

Returns tool count.

pub fn is_empty(&self) -> bool

Returns whether registry is empty.

pub fn remove(&mut self, name: &str) -> Option<Arc<dyn BaseTool>>

Removes a tool by name.

Arguments

• name - Tool name.

Returns

Removed tool if found, otherwise None.

pub fn contains(&self, name: &str) -> bool

Checks if a tool exists.

pub fn describe_tools(&self) -> String

Generates tool description for LLM.

Used to show available tools to the LLM.

Trait Implementations

impl Debug for ToolRegistry

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

Formats the value using the given formatter.

impl Default for ToolRegistry

fn default() -> Self

Returns the “default value” for a type.