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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/tools/clippy/tests/ui/print.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/print.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/print.rs b/src/tools/clippy/tests/ui/print.rs new file mode 100644 index 000000000..366ccc2b3 --- /dev/null +++ b/src/tools/clippy/tests/ui/print.rs @@ -0,0 +1,35 @@ +#![allow(clippy::print_literal, clippy::write_literal)] +#![warn(clippy::print_stdout, clippy::use_debug)] + +use std::fmt::{Debug, Display, Formatter, Result}; + +#[allow(dead_code)] +struct Foo; + +impl Display for Foo { + fn fmt(&self, f: &mut Formatter) -> Result { + write!(f, "{:?}", 43.1415) + } +} + +impl Debug for Foo { + fn fmt(&self, f: &mut Formatter) -> Result { + // ok, we can use `Debug` formatting in `Debug` implementations + write!(f, "{:?}", 42.718) + } +} + +fn main() { + println!("Hello"); + print!("Hello"); + + print!("Hello {}", "World"); + + print!("Hello {:?}", "World"); + + print!("Hello {:#?}", "#orld"); + + assert_eq!(42, 1337); + + vec![1, 2]; +} |