Module●Since v1.0

example_selectors

import { ... } from "@langchain/core/example_selectors";

Functions

function

isChatModel→ llm is BaseChatModel<BaseChatModelCallOptions, AIMessageChunk<MessageStructure<MessageToolSet>>>

Type guard function that checks if a given language model is of type BaseChatModel.

function

isLLM→ llm is BaseLLM<BaseLLMCallOptions>

Type guard function that checks if a given language model is of type BaseLLM.

Classes

class

BaseExampleSelector

Base class for example selectors.

class

BasePromptSelector

Abstract class that defines the interface for selecting a prompt for a given language model.

class

ConditionalPromptSelector

Concrete implementation of BasePromptSelector that selects a prompt based on a set of conditions. It has a default prompt that it returns if none of the conditions are met.

class

LengthBasedExampleSelector

A specialized example selector that selects examples based on their length, ensuring that the total length of the selected examples does not exceed a specified maximum length.

class

SemanticSimilarityExampleSelector

Class that selects examples based on semantic similarity. It extends the BaseExampleSelector class.