C++ std::multimap Rust analog

Published 442d ago

See title.

use std::collections::BTreeMap;

fn main() {
    let mut multimap: BTreeMap<i32, Vec<String>> = BTreeMap::new();

    // Insert values into the multimap
    multimap
        .entry(1)
        .or_insert(vec![])
        .push("apple".to_string());
    multimap
        .entry(2)
        .or_insert(vec![])
        .push("banana".to_string());
    multimap
        .entry(1)
        .or_insert(vec![])
        .push("apricot".to_string());

    // Retrieve values
    if let Some(values) = multimap.get(&1) {
        for value in values {
            println!("{}", value);
        }
    }
}