warning: unused return value of `Box::<T>::from_raw` that must be used | |
--> $DIR/must-use-box-from-raw.rs:8:5 | |
| | |
LL | Box::from_raw(ptr); | |
| ^^^^^^^^^^^^^^^^^^ | |
| | |
= note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` | |
note: the lint level is defined here | |
--> $DIR/must-use-box-from-raw.rs:5:9 | |
| | |
LL | #![warn(unused_must_use)] | |
| ^^^^^^^^^^^^^^^ | |
help: use `let _ = ...` to ignore the resulting value | |
| | |
LL | let _ = Box::from_raw(ptr); | |
| +++++++ | |
warning: 1 warning emitted | |