| 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 |
| } |
