Reference

Dense, look-up-oriented pages. If you already know what you're doing and just need to remember the syntax, start here.

The tutorials teach; the reference indexes. Each page is optimised for ctrl-F.

Pages

Page	What it gives you
System parameters cheat sheet	Every annotation and service type you can declare on an @System method, with a one-line semantics column and a tier-1 flag.
Tier-1 vs tier-2 dispatch	The exhaustive list of shapes that drop a system from the generated fast path to the reflective fallback, with fixes.
FAQ	Short answers to the questions that come up most often on Discord and GitHub issues.

Conventions

• C — a user-defined component record (record Position(...) { }).
• E — a user-defined event record.
• R — any resource class (not required to be a record).
• T — a relation record type registered via WorldBuilder.addRelation(T.class).

See also

• Getting started — installation, first world, quick-start snippet.
• Tutorials — chapter-length walkthroughs of every feature listed in the cheat sheet.
• Benchmarks — methodology, JMH numbers, and the reasoning behind the two-tier dispatch design.