Some

type Some<T> = Readonly<{
  __option: "Some";
  value: T;
}>;

Represents an Option that contains a value.

This type mirrors Rust’s Some(T), indicating that a value is present.

For more details, see Option.

Type Parameters

Example

Creating a Some value.

const value = some(42);
isSome(value); // true
isNone(value); // false

See

• Option
• some
• isSome