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Changelog

v0.7.0

Breaking Changes

  • :gemini provider atom renamed to :google for naming consistency with other libraries

Migration Guide

# Before
LangSchema.function_calling(schema, :gemini)
LangSchema.structured_output(schema, :gemini)

# After
LangSchema.function_calling(schema, :google)
LangSchema.structured_output(schema, :google)

New Features

  • Add LangSchema.Converter.Anthropic for Anthropic (Claude) structured outputs and function calling
  • Bump langchain to ~> 0.6.1

v0.6.0

Breaking Changes

  • to_schema/2 and to_json_schema/2 have been renamed to clarify their purpose:
    • function_calling/2: Converts a schema into a provider-specific JSON schema for function calling (tool use)
    • structured_output/2: Converts a schema into a JSON schema wrapped in the provider-specific envelope for structured output

Migration Guide

# Before
LangSchema.to_schema(schema, :openai)           # raw JSON schema
LangSchema.to_json_schema(schema, :openai)       # wrapped in envelope

# After
LangSchema.function_calling(schema, :openai)     # for function calling / tool use
LangSchema.structured_output(schema, :openai)    # for structured output

v0.5.0

Breaking Changes

  • LangSchema.Converter.convert/2 has been split into two separate functions:
    • to_schema/2 → now function_calling/2
    • to_json_schema/2 → now structured_output/2

v0.4.0

  • Bump langchain

v0.3.0

  • Create LangSchema.Adapter.LangChainFunctionParam for LangChain.FunctionParam
  • Allow string keys for ordered object properties
  • Fix order of required of LangSchema.Type.OpenAI.Object

v0.2.0

  • Add wrap? opt to convert/2 callback function of LangSchema.Converter

v0.1.0

  • Implement LangSchema.Converter.OpenAI, LangSchema.Converter.Gemini