I'm having difficulty accessing the values in this dictionary/map I built inside of this animals object:
object Animals {
var animalInfo = mutableMapOf<String,Any>()
init {
animalInfo["Animal"] = mutableListOf("description" to "Large Mammal", "name" to "Elephant", "highlights" to arrayListOf("Long Trunk", "Flappy Ears", "Ivory Tusks"))
}
}
Swift being my first language I tried to access the values like this but without the use of optional binding:
val dataDict = Animals.animalInfo
val animal = dataDict["Animal"]
println(animal["description"])
println(animal["name"])
println(animal["highLights"])
All the println lines have an unresolved reference error. How do I correctly access the values in a mutableMapOf()?
Change this line:
var animalInfo = mutableMapOf<String,Any>()
into
var animalInfo = mutableMapOf<String,MutableMap<String, out Any>>()
and change
val module = dataDict["Animal"]
into
val module = dataDict["Animal"]!!
and change mutableListOf
into mutableMapOf
should resolve this (3 changes in total).
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.