Reference Overview

Use this section when you need exact rules or a compact runtime reference rather than a tutorial.

Read by topic

• Syntax Rules for newline continuation, semicolon usage, import constraints, export visibility, and dictionary foreach rules.
• Built-in Functions for the current runtime-provided helper functions.
• Built-in Types and Casts for scalar types, literal suffixes, as, and any.
• CLI and Debug Flags for runtime flags.
• Release Notes for runtime and extension changes.

Common lookups

• syntax edge cases and “why did this parse fail?”
• runtime helper names
• scalar types and conversion rules
• shipped runtime and editor changes
• quick reminder pages while reading code or tests

Related guides

If you need fuller explanations instead of lookup pages, jump back into the Language, Packages, and Tooling sections.