ModelMaybeOptional

ModelMaybeOptional

Either a Model or a Model?.

public protocol ModelMaybeOptional: Codable

This protocol exists so that Model? and Model can be treated similarly in relationship property wrappers. Sometimes a relationship may be optional, sometimes it may be required. Alchemy supports both cases.

Inheritance

Codable

Requirements

from(_:​)

Given an optional object of type Value, convert that to this type. Used for managing the type system when putting eagerly loaded data into relationship properties.

static func from(_ value: Value?) throws -> Self

Parameters

• value: The value to convert.

Throws

An error if the optional value was unable to be converted to Self.

Returns

The value converted to type Self.