Roadmap

go-ruby-csv/csv is grown test-first, each capability differential-tested against MRI rather than built in isolation. Ruby's csv — the deterministic, interpreter-independent slice extracted from rbgo's internals — is complete.

Stage	What	Status
Parse & generate	CSV.parse and CSV.generate over the full dialect surface: column/row separators, quote character, and the quoting rules Ruby's CSV uses.	Done
Dialects & quoting	Configurable col_sep / row_sep / quote_char, with minimal vs. forced quoting and embedded-newline handling matching MRI byte-for-byte.	Done
Headers	Row and Table with header access, duplicate-header handling, and header/field converters, the way reference Ruby's CSV::Row / CSV::Table work.	Done
Converters	The built-in :integer / :float / :date field converters and header converters, applied with Ruby's ordering and fall-through semantics.	Done
MalformedCSVError	Raised on unclosed quotes and stray quote characters at the same positions, with the same line/column information as reference Ruby.	Done
Differential oracle & coverage	A wide corpus parsed and generated both here and by the system ruby/csv, compared byte-for-byte; 100% coverage, gofmt + go vet clean, green across all six 64-bit Go arches and three OSes.	Done

Documented out-of-scope boundaries

These are deliberate, recorded so the module's surface is unambiguous:

• No interpreter. The library implements the deterministic algorithm; it never runs arbitrary Ruby. Anything that needs a live binding or evaluation is the consumer's job — that is why rbgo binds this module rather than the reverse.
• Reference is reference Ruby (MRI). Byte-for-byte conformance targets MRI's behaviour; differences across MRI releases are matched to the reference used by the differential oracle.
• Standalone & reusable. The module has no dependency on the Ruby runtime; the dependency runs the other way.

See Usage & API for the surface and Why pure Go for the deterministic/interpreter split.