life.rs

#[derive(Debug)]
struct Foo {
    f : i32
}

#[derive(Debug)]
struct Bar<'b> {
    bar1 : &'b Foo,
    bar2 : &'b Foo
}

#[allow(unused_variables)]
fn makeBar<'b>(foo1: &'b Foo, foo2: &'b Foo) -> Bar<'b> {
    Bar { bar1 : foo1, bar2 : foo2 }
}

fn extractBar2<'a>(foo: &'a Foo) -> &'a Foo {
    let foo1 = Foo { f : 22 };
    let foo2  = makeBar(&foo, &foo1).bar1;
    foo2
}

fn main() {
    let foo = Foo { f : 11 };
    let foo1 = extractBar2(&foo);
    println!("foo1: {:?}", foo1);
}