Core

Types and helpers almost every program uses. Most are available after import system;, and Option and Result need no import at all.

• Built-insConsole output, Math, and Time, available from import system;.API
• Option and ResultHandle missing values and failures without null or exceptions.API
• Lock and SemaphoreCoordinate access to shared state between tasks.API
• API errorsUnderstand and handle failures reported by library calls.