mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
42 lines
1.9 KiB
Plaintext
42 lines
1.9 KiB
Plaintext
error[E0277]: the trait bound `&T: std::io::Read` is not satisfied
|
|
--> $DIR/suggest-change-mut.rs:12:48
|
|
|
|
|
LL | let mut stream_reader = BufReader::new(&stream);
|
|
| -------------- ^^^^^^^ the trait `std::io::Read` is not implemented for `&T`
|
|
| |
|
|
| required by a bound introduced by this call
|
|
|
|
|
note: required by a bound in `BufReader::<R>::new`
|
|
--> $SRC_DIR/std/src/io/buffered/bufreader.rs:LL:COL
|
|
help: consider removing the leading `&`-reference
|
|
|
|
|
LL - let mut stream_reader = BufReader::new(&stream);
|
|
LL + let mut stream_reader = BufReader::new(stream);
|
|
|
|
|
help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement
|
|
|
|
|
LL | fn issue_81421<T: Read + Write>(mut stream: T) where &T: std::io::Read {
|
|
| +++++++++++++++++++++++
|
|
help: consider changing this borrow's mutability
|
|
|
|
|
LL | let mut stream_reader = BufReader::new(&mut stream);
|
|
| ~~~~
|
|
|
|
error[E0599]: the method `read_until` exists for struct `BufReader<&T>`, but its trait bounds were not satisfied
|
|
--> $DIR/suggest-change-mut.rs:16:23
|
|
|
|
|
LL | stream_reader.read_until(b'\n', &mut buffer).expect("Reading into buffer failed");
|
|
| ^^^^^^^^^^ method cannot be called on `BufReader<&T>` due to unsatisfied trait bounds
|
|
--> $SRC_DIR/std/src/io/buffered/bufreader.rs:LL:COL
|
|
|
|
|
= note: doesn't satisfy `BufReader<&T>: BufRead`
|
|
|
|
|
= note: the following trait bounds were not satisfied:
|
|
`&T: std::io::Read`
|
|
which is required by `BufReader<&T>: BufRead`
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
Some errors have detailed explanations: E0277, E0599.
|
|
For more information about an error, try `rustc --explain E0277`.
|