diff options
Diffstat (limited to 'src/tools/clippy/src/docs/to_string_in_format_args.txt')
| -rw-r--r-- | src/tools/clippy/src/docs/to_string_in_format_args.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/to_string_in_format_args.txt b/src/tools/clippy/src/docs/to_string_in_format_args.txt new file mode 100644 index 000000000..34b205835 --- /dev/null +++ b/src/tools/clippy/src/docs/to_string_in_format_args.txt @@ -0,0 +1,17 @@ +### What it does +Checks for [`ToString::to_string`](https://doc.rust-lang.org/std/string/trait.ToString.html#tymethod.to_string) +applied to a type that implements [`Display`](https://doc.rust-lang.org/std/fmt/trait.Display.html) +in a macro that does formatting. + +### Why is this bad? +Since the type implements `Display`, the use of `to_string` is +unnecessary. + +### Example +``` +println!("error: something failed at {}", Location::caller().to_string()); +``` +Use instead: +``` +println!("error: something failed at {}", Location::caller()); +```
\ No newline at end of file |