| 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) | |
| } | |
| fn main() { | |
| let mut c = for_stdin(); | |
| let mut v = Vec::new(); | |
| c.read_to(v); //~ ERROR E0308 | |
| } |