Registry

Represents a type-safe associative array. It means that it stores association like Key<T> -> T for arbitrary types T.

Functions

abstract operator fun <T> contains(registryKey: RegistryKey<T>): Boolean

Checks if the registryKey is stored in the registry and have association with anything.

abstract operator fun <T> get(registryKey: RegistryKey<T>): T

Retrieves value by this registryKey or throws exception if no association is present.

fun <T> Registry.getOrDefault(registryKey: RegistryKey<T>, default: T): T

Retrieves value by this registryKey or returns default value if no association is present.

inline fun <T> Registry.getOrElse(registryKey: RegistryKey<T>, block: () -> T): T

Retrieves value by this registryKey or computes block and returns its value if no association is present.

Retrieves value by this registryKey or returns null if no association is present.

Represents this registry as Kotlin stdlib's map.