| Kotlin | Rust |
|---|
| Type | List<T>, MutableList<T>, ArrayList<T> | Vec<T> |
| Constructor | ArrayList(size), ArrayList(collection) | Vec::new(), Vec::with_capacity(size) |
| Shorthand | listOf(items...), mutableListOf(items...), arrayListOf(items...) | vec![size; default], vec![items...] |
| Kotlin | Rust |
|---|
| Type | Map<K, V>, MutableMap<K, V>, HashMap<K, V> | HashMap<K, V> |
| Constructor | HashMap(size), HashMap(map) | HashMap::new() |
| Shorthand | mapOf(items...), mutableMapOf(items...), hashMapOf(items...) | N/A [^1] |
| Kotlin | Rust |
|---|
| Type | Pair<T1, T2>, Triple<T1, T2, T3> | (T1, T2, ...) |
| Constructor | Pair(value1, value2), Triple(value1, value2, value3) | N/A |
| Shorthand | value1 to value2 | (value1, value2, ...) |
| Kotlin | Rust |
|---|
| Type | Array<T> | [T] |
| Constructor | Array(size, builder_method) | N/A |
| Shorthand | arrayOf(items...) | [items...] |
[^1] Crates such as maplit do provide macros for this.