maybe

Maybe Type

type maybe(T) = Some(T) | Nothing()

Represents an optional value that may or may not be present.

Constructors:

• Some(value) - Wraps a value
• Nothing() - Represents absence of value

Operations:

• unpack(maybe) - Extract value or raise error if Nothing
• expect(maybe, message) - Extract value or raise error with custom message
• unpack_or(maybe, default) - Extract value or return default if Nothing
• bool(maybe) - Convert to boolean (true for Some, false for Nothing)