// Map - Hash map with String keys and int values
import Std::Io::{PrintLine, PrintInt};
import Std::Map::{Map, Map_New, Map_Set, Map_Get, Map_Has, Map_Len};

func Main() -> int {
    let m: Map = Map_New(16);
    
    PrintLine("Map operations:");
    
    Map_Set(&m, "one", 1);
    Map_Set(&m, "two", 2);
    Map_Set(&m, "three", 3);
    
    PrintLine("Length:");
    PrintInt(Map_Len(&m));
    PrintLine("");
    
    PrintLine("Get 'one':");
    PrintInt(Map_Get(&m, "one"));
    PrintLine("");
    
    PrintLine("Get 'two':");
    PrintInt(Map_Get(&m, "two"));
    PrintLine("");
    
    PrintLine("Get 'three':");
    PrintInt(Map_Get(&m, "three"));
    PrintLine("");
    
    Map_Set(&m, "two", 22);
    PrintLine("Updated 'two':");
    PrintInt(Map_Get(&m, "two"));
    PrintLine("");
    
    if Map_Has(&m, "one") {
        PrintLine("Has 'one': yes");
    }
    
    if !Map_Has(&m, "four") {
        PrintLine("Has 'four': no");
    }
    
    return 0;
}