| error: unused return value of `Interface::f` that must be used | |
| --> tests/ui/must-use.rs:18:5 | |
| | | |
| 18 | Thing.f(); | |
| | ^^^^^^^^^ | |
| | | |
| note: the lint level is defined here | |
| --> tests/ui/must-use.rs:1:9 | |
| | | |
| 1 | #![deny(unused_must_use)] | |
| | ^^^^^^^^^^^^^^^ | |
| help: use `let _ = ...` to ignore the resulting value | |
| | | |
| 18 | let _ = Thing.f(); | |
| | +++++++ |