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trait ListItem<'a> {
fn list_name() -> &'a str;
}
trait Collection { fn len(&self) -> usize; }
// is now well formed. RFC 2093
struct List<'a, T: ListItem<'a>> {
slice: &'a [T]
}
impl<'a, T: ListItem<'a>> Collection for List<'a, T> {
fn len(&self) -> usize {
0
}
}
struct Foo<T> {
foo: &'static T
//~^ ERROR may not live long enough
}
trait X<K>: Sized {
fn foo<'a, L: X<&'a Nested<K>>>();
//~^ ERROR may not live long enough
// check that we give a sane error for `Self`
fn bar<'a, L: X<&'a Nested<Self>>>();
//~^ ERROR may not live long enough
// check that we give a sane error for nested generics
fn baz<'a, L, M: X<&'a Nested<L>>>() {
//~^ ERROR may not live long enough
}
}
trait TraitB {}
struct Nested<K>(K);
impl<K> Nested<K> {
fn generic_in_parent<'a, L: X<&'a Nested<K>>>() {
//~^ ERROR may not live long enough
}
fn generic_in_child<'a, 'b, L: X<&'a Nested<M>>, M: 'b>() {
//~^ ERROR may not live long enough
}
}
fn main() {}
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