std::multimap

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Example

Run on Compiler Explorer

main: () = {
    example: std::multimap = (
        std::make_pair(1, 'a'),
        std::make_pair(2, 'b'));
 
    for (2, 5) do (x) {
        if example.contains(x) {
            std::cout << "(x)$: Found\n";
        }
        else {
            std::cout << "(x)$: Not found\n";
        }
    }
}

Output

2: Found
5: Not found