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Diffstat (limited to 'src/tools/clippy/src/docs/explicit_write.txt')
| -rw-r--r-- | src/tools/clippy/src/docs/explicit_write.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/explicit_write.txt b/src/tools/clippy/src/docs/explicit_write.txt new file mode 100644 index 000000000..eafed5d39 --- /dev/null +++ b/src/tools/clippy/src/docs/explicit_write.txt @@ -0,0 +1,18 @@ +### What it does +Checks for usage of `write!()` / `writeln()!` which can be +replaced with `(e)print!()` / `(e)println!()` + +### Why is this bad? +Using `(e)println! is clearer and more concise + +### Example +``` +writeln!(&mut std::io::stderr(), "foo: {:?}", bar).unwrap(); +writeln!(&mut std::io::stdout(), "foo: {:?}", bar).unwrap(); +``` + +Use instead: +``` +eprintln!("foo: {:?}", bar); +println!("foo: {:?}", bar); +```
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