// 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] {} fn a(v: &[u8]) -> Box { let x: Box = Box::new(v); //~^ ERROR lifetime may not live long enough x } fn b(v: &[u8]) -> Box { Box::new(v) //~^ ERROR lifetime may not live long enough } fn c(v: &[u8]) -> Box { // same as previous case due to RFC 599 Box::new(v) //~^ ERROR lifetime may not live long enough } fn d<'a,'b>(v: &'a [u8]) -> Box { Box::new(v) //~^ ERROR lifetime may not live long enough } fn e<'a:'b,'b>(v: &'a [u8]) -> Box { Box::new(v) // OK, thanks to 'a:'b } fn main() { }