stringMapOf

Constructs the specialized implementation of HashMap with String keys, which stores the keys as properties of JS object without hashing them.

fun <V> stringMapOf(vararg pairs: Pair<String, V>): HashMap<String, V>(source)

val map = stringMapOf(
    "name" to "Alice",
    "age" to 30,
    "city" to "New York"
)

println(map["name"]) // Alice
println(map["age"])  // 30
println(map["city"]) // New York

Source