Hi! Anybody know what i should replace this with? ...

# announcements

[Martin Wangen]

Hi! Anybody know what i should replace this with? Or how to add default value = 0

var harvest : HashMap<String,Int> = HashMap()
harvest[plant.name] += amount

[spand]

See if compute() isnt what you need

[elect]

triple backticks on multi lines

[Jonathan Mew]

Or perhaps a MutableMap declared with https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/with-default.html?

[hho]

exactly.

val harvest = mutableMapOf<String, Int>().withDefault { 0 }
// getValue is necessary to use the default set above:
harvest[plant.name] = harvest.getValue(plant.name) + amount

[Martin Wangen]

Thank you!

[spand]

There is also getOrElse which I personally prefer to withDefault if there is only one place that retrieves values.