LangChain: LCEL

Understand Prompts here

  1. Prompt templates
  2. get started
  3. how to guides
  4. No explicit class hierarchy but possibly one can derive from them.

Show images for: Class hierarchy diagram for Prompt classes in langchain

From alphasec.io: Various modules explored

  1. Models
  2. Embeddings
  3. Prompts
  4. Indexes
  5. Memory
  6. Note: Keep in mind this is an unknown source for me. Links mayor may not work in the future.

How to write a LangChain LCEL component

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Some explanation is available here

  1. The or operator
  2. Runnable connection
  3. Runnable pass through
  4. Lambdas
  1. streaming
  2. async etc.

Show images for: Pictorial of a langchain chain functions

Note that questions yields pretty good results

A guide langchains: avidya, babina

  1. basics
  2. router chains
  3. if/else chains
  4. chains of chains
  5. Default chains

Lagnchain on github

Exploring LangChain Runnable framework

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LangChain docs on github