e.g. `map.getOrPut(key, { mutableSetOf() }).plusAs...
# getting-starteda
Andreas Sinz
04/19/2018, 7:34 PMe.g.
map.getOrPut(key, { mutableSetOf() }).plusAssign(value)❤️ 1
d
dknapp
04/19/2018, 8:05 PMhow is getOrPut different from computeIfAbsent
a
Andreas Sinz
04/19/2018, 8:40 PMwhich type has
computeIfAbsentd
dknapp
04/19/2018, 8:50 PMmap
a
Andreas Sinz
04/19/2018, 8:55 PMMap in the stdlib doesn't have that function, so I suspect you mean the kotlinx.support-library that provides extensions for Kotlin 1.0?
d
dknapp
04/19/2018, 9:19 PMMutableMap has it
dknapp
04/19/2018, 9:20 PM Copy code
@Test
fun stuff() {
val map = mutableMapOf<Int, Int>()
val absent = map.computeIfAbsent(0, { 5 })
print(absent) // 5
}dknapp
04/19/2018, 9:21 PMIt’s a java function
a
Andreas Sinz
04/20/2018, 7:22 AMoh right. From the documentation it seems like its the same
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