// Copyright 2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // Test that attempts to implicitly coerce a value into an // object respect the lifetime bound on the object type. trait Foo {} impl<'a> Foo for &'a [u8] {} // FIXME (#22405): Replace `Box::new` with `box` here when/if possible. fn a(v: &[u8]) -> Box { let x: Box = Box::new(v); //~^ ERROR cannot infer an appropriate lifetime due to conflicting x } fn b(v: &[u8]) -> Box { Box::new(v) //~^ ERROR cannot infer an appropriate lifetime due to conflicting } fn c(v: &[u8]) -> Box { // same as previous case due to RFC 599 Box::new(v) //~^ ERROR cannot infer an appropriate lifetime due to conflicting } fn d<'a,'b>(v: &'a [u8]) -> Box { Box::new(v) //~^ ERROR cannot infer an appropriate lifetime due to conflicting } fn e<'a:'b,'b>(v: &'a [u8]) -> Box { Box::new(v) // OK, thanks to 'a:'b } fn main() { }