domluna

var someFunc = function() {};

function f() {
    var some = new someFunc(); // this won't be garbage collected!!!
    function unreachable() {}; 
    return function() {};
}

window.f_ = f():

domluna

struct Foo<'self> {
    name: ~str,
    ref_bar: &'self Bar     // Bar lives as long as Foo
                            // When Foo is freed, Bar is freed
                            // No memory leaks!
}

struct Bar {
    name: ~str
}

domluna

a := []int{1,2,3}
b := []int{4,5,6}

// Bad way
for _, number := range b {
    a = append(a, number)
}

// Super awesome way
a = append(a, b...)

domluna

for key, val in dictionary.iteritems():
    print key, val
    
for key in dictionary.iterkeys():
    print key
    
for val in dictionary.itervalues():
    print val