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//@ run-pass
#![allow(dead_code)]
trait Foo { fn dummy(&self) { } }
impl Foo for isize {}
fn foo(_: [&dyn Foo; 2]) {}
fn foos(_: &[&dyn Foo]) {}
fn foog<T>(_: &[T], _: &[T]) {}
fn bar(_: [Box<dyn Foo>; 2]) {}
fn bars(_: &[Box<dyn Foo+'static>]) {}
fn main() {
let x: [&dyn Foo; 2] = [&1, &2];
foo(x);
foo([&1, &2]);
let r = &1;
let x: [&dyn Foo; 2] = [r; 2];
foo(x);
foo([&1; 2]);
let x: &[&dyn Foo] = &[&1, &2];
foos(x);
foos(&[&1, &2]);
let x: &[&dyn Foo] = &[&1, &2];
let r = &1;
foog(x, &[r]);
let x: [Box<dyn Foo>; 2] = [Box::new(1), Box::new(2)];
bar(x);
bar([Box::new(1), Box::new(2)]);
let x: &[Box<dyn Foo+'static>] = &[Box::new(1), Box::new(2)];
bars(x);
bars(&[Box::new(1), Box::new(2)]);
let x: &[Box<dyn Foo+'static>] = &[Box::new(1), Box::new(2)];
foog(x, &[Box::new(1)]);
struct T<'a> {
t: [&'a (dyn Foo+'a); 2]
}
let _n = T {
t: [&1, &2]
};
let r = &1;
let _n = T {
t: [r; 2]
};
let x: [&dyn Foo; 2] = [&1, &2];
let _n = T {
t: x
};
struct F<'b> {
t: &'b [&'b (dyn Foo+'b)]
}
let _n = F {
t: &[&1, &2]
};
let r = &1;
let r: [&dyn Foo; 2] = [r; 2];
let _n = F {
t: &r
};
let x: [&dyn Foo; 2] = [&1, &2];
let _n = F {
t: &x
};
struct M<'a> {
t: &'a [Box<dyn Foo+'static>]
}
let _n = M {
t: &[Box::new(1), Box::new(2)]
};
let x: [Box<dyn Foo>; 2] = [Box::new(1), Box::new(2)];
let _n = M {
t: &x
};
}
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