Struct ConsoleCallbackHandler

pub struct ConsoleCallbackHandler {
    pub color: Option<String>,
}

A simple console callback handler for debugging

Fields

color: Option<String>

The color to use for text output (matching LangChain’s color scheme)

Implementations

impl ConsoleCallbackHandler

pub fn new() -> Self

Create a new console callback handler

pub fn new_with_color(color: impl Into<String>) -> Self

Create a new console callback handler with color

Trait Implementations

impl CallbackHandler for ConsoleCallbackHandler

fn on_start<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, run_id: &'life1 str, input: &'life2 Value, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Called when a runnable starts

fn on_success<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, run_id: &'life1 str, output: &'life2 Value, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Called when a runnable completes successfully

fn on_error<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, run_id: &'life1 str, error: &'life2 FerricLinkError, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Called when a runnable fails

fn on_stream<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, run_id: &'life1 str, chunk: &'life2 Value, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Called when a runnable produces streaming output

impl Default for ConsoleCallbackHandler

fn default() -> Self

Returns the “default value” for a type.