Is there a map merge function ala `fun <K, V&gt...

# stdlib

[spand]

Is there a map merge function ala fun <K, V> Iterable<Map<K, V>>.merge(): Map<K, V> that I am missing ?

[jw]

fold with plus

[ephemient]

or

fun <K, V> Iterable<Map<K, V>>.merge(): Map<K, V> = buildMap {
    for (map in this@merge) putAll(map)
}

which won't have the O(N^2) behavior that fold(::plus) will

[ephemient]

alternatively,

.asSequence().flatMap { it.entries }.associateBy({ it.key }, { it.value })

would also work

[spand]

Thanks !