opus

Provides a macro-based syntax for defining step, check, tee, and link stages, making complex workflows readable and modular, as demonstrated in the ArithmeticPipeline example.

Automatically instruments each stage and integrates with Elixir's Telemetry library, enabling easy monitoring and metrics collection without manual configuration.

Enforces a uniform {:ok, value} | {:error, error} return pattern and converts exceptions to error tuples by default, ensuring predictable failure modes across pipelines.

Optional opus_graph package generates Graphviz diagrams of pipeline dependencies, aiding in understanding and debugging complex logic flows, though it requires extra setup.