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wf-method-late-bound-regions.rs
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wf-method-late-bound-regions.rs
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// A method's receiver must be well-formed, even if it has late-bound regions.
// Because of this, a method's substs being well-formed does not imply that
// the method's implied bounds are met.
struct Foo<'b>(Option<&'b ()>);
trait Bar<'b> {
fn xmute<'a>(&'a self, u: &'b u32) -> &'a u32;
}
impl<'b> Bar<'b> for Foo<'b> {
fn xmute<'a>(&'a self, u: &'b u32) -> &'a u32 { u }
}
fn main() {
let f = Foo(None);
let f2 = f;
let dangling = {
let pointer = Box::new(42);
f2.xmute(&pointer)
};
//~^^ ERROR `pointer` does not live long enough
println!("{}", dangling);
}
// ferrocene-annotations: fls_9ucqbbd0s2yo
// Struct Types
//
// ferrocene-annotations: fls_vhpwge5123cm
// Generic Parameters
//
// ferrocene-annotations: fls_yqcygq3y6m5j
// Lifetimes
//
// ferrocene-annotations: fls_142vncdktbin
// Reference Types
//
// ferrocene-annotations: fls_fk2m2irwpeof
// Implementations
//
// ferrocene-annotations: fls_e1pgdlv81vul
// Implementation Conformance
//
// ferrocene-annotations: fls_qztk0bkju9u
// Borrow Expression
//
// ferrocene-annotations: fls_a14slch83hzn
// Borrowing
//
// ferrocene-annotations: fls_svkx6szhr472
// Ownership