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use std::io::{self, Read};
use std::vec;
pub struct Container<'a> {
reader: &'a mut dyn Read
}
impl<'a> Container<'a> {
pub fn wrap<'s>(reader: &'s mut dyn io::Read) -> Container<'s> {
Container { reader: reader }
}
pub fn read_to(&mut self, vec: &mut [u8]) {
self.reader.read(vec);
}
}
pub fn for_stdin<'a>() -> Container<'a> {
let mut r = io::stdin();
Container::wrap(&mut r as &mut dyn io::Read)
//~^ ERROR cannot return value referencing local variable
}
fn main() {
let mut c = for_stdin();
let mut v = Vec::new();
c.read_to(v); //~ ERROR E0308
}
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