mirror of
https://github.com/rust-lang/rust.git
synced 2025-11-01 05:25:38 +00:00
17 lines
526 B
Plaintext
17 lines
526 B
Plaintext
warning: unused `Result` that must be used
|
|
--> $DIR/must-use-in-macro-55516.rs:9:5
|
|
|
|
|
LL | write!(&mut example, "{}", 42);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= note: this `Result` may be an `Err` variant, which should be handled
|
|
= note: `-W unused-must-use` implied by `-W unused`
|
|
= help: to override `-W unused` add `#[allow(unused_must_use)]`
|
|
help: use `let _ = ...` to ignore the resulting value
|
|
|
|
|
LL | let _ = write!(&mut example, "{}", 42);
|
|
| +++++++
|
|
|
|
warning: 1 warning emitted
|
|
|