Documentation

dartframes is a stable Dart binding to Rust Polars with a Dart-native Apache Arrow value model. Version 0.1.0 is published with verified native assets for macOS, Linux, and Windows. Start with Getting started or use Polars.open(path) for a locally built library.

For users

• Getting started — runtime setup plus lazy CSV and Parquet queries.
• Arrow interoperability — the Dart Arrow port, copied record batches, and Arrow C Data/C Stream.
• Build from source — install pinned tools with mise and build the current native library.
• API reference — generated documentation for the public Dart API.
• API coverage — what the partial API covers in Polars.

For maintainers and contributors

• Native binaries — targets, asset review, caching, and activation.
• Release process — native asset and pub release ordering.
• CRAP quality gate — complexity and coverage ratchet.
• Protocol reference — ABI, commands, capabilities, ownership, and errors.
• Contributing — setup, tests, and change requirements.
• Security — private vulnerability reporting.
• Changelog — release history.