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Dev tools · January 14, 2019

Pipelines: framework and language for crafting data pipelines

An experimental programming language for data flow - calebwin/pipelines

Pipelines: framework and language for crafting data pipelines launched on January 14, 2019 with 5 votes and more than 50% of that year's launches. The site was still online in September 2026, 7 years on.

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    Hi HN, I built MOL, a domain-specific language for AI pipelines. The main idea: the pipe operator |> automatically generates execution traces — showing timing, types, and data at each step. No logging, no print debugging. Example: let index be doc |> chunk(512) |> embed("model-v1") |> store("kb") This auto-prints a trace table with each step's execution time and output type. Elixir and F# have |> but neither auto-traces. Other features: - 12 built-in domain types (Document, Chunk, Embedding, VectorStore, Thought, Memory, Node) - Guard assertions: `guard answer.confidence > 0.5 : "Too low"` -…

  • All-in-one open source tool for data pipelines2022 · github.com · ▲21

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