destel/rill

Health v2 · maintenance only

Adoption not part of the score

1880 stars · 31 forks observed · 2026-10-12

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Rill is a Go library providing composable, channel-based concurrency primitives built on generics. It lets developers build concurrent pipelines from reusable operations like map, filter, batching, and fan-in, with centralized error propagation and built-in backpressure.

Use cases

• run parallel HTTP requests with bounded concurrency in Go
• process infinite real-time event streams with goroutines
• build composable data pipelines from channels
• handle errors centrally in concurrent Go code
• batch and merge streams with ordered fan-in
• process large datasets that don't fit in memory
• replace boilerplate goroutine and channel management code

When to choose

• you need clean, composable concurrency in Go without heavy frameworks
• you want controlled parallelism with backpressure over Go channels
• you process streaming or large datasets item-by-item
• you want centralized error handling across concurrent stages

When to avoid

• your workload is simple enough that plain goroutines and channels suffice
• you need distributed or cross-process concurrency rather than in-process
• you're not using Go or Go versions without generics support

Facets

library · maturity active

concurrency streaming error-handling developer-tools backend go cross-platform goroutines channels generics pipeline functional-programming stream-processing backpressure algorithms

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