mapSnowflake

inline fun <E : Any> Optional<E>.mapSnowflake(mapper: (E) -> Snowflake): OptionalSnowflake(source)
@JvmName(name = "mapNullableSnowflake")
inline fun <E : Any> Optional<E?>.mapSnowflake(mapper: (E) -> Snowflake): OptionalSnowflake(source)