missing hint: type annotation
phrohdoh opened this issue · 0 comments
phrohdoh commented
What I expected
Brief explanation of type annotations (and possibly link to book).
Source code
0 | fn main() {
1 | let mut rdr: Box<io::Read> = match input {
| ↑-------------↑
2 | "-" => Box::new(io::stdin()),
3 | _ => Box::new(fs::File::open(input).unwrap()),
4 | };
5 | }
Location: line 1, column 13