blob: 889b11a741084c09f25260b17841ca65dde369e8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
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
|
LL | impl<R: Read> BufReader<R> {
| ^^^^ required by this bound in `BufReader::<R>::new`
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
|
LL | pub struct BufReader<R> {
| ----------------------- 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`.
|
