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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:13:23 +0000 |
commit | 20431706a863f92cb37dc512fef6e48d192aaf2c (patch) | |
tree | 2867f13f5fd5437ba628c67d7f87309ccadcd286 /src/tools/clippy/tests/ui/unused_format_specs_unfixable.rs | |
parent | Releasing progress-linux version 1.65.0+dfsg1-2~progress7.99u1. (diff) | |
download | rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.tar.xz rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.zip |
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/clippy/tests/ui/unused_format_specs_unfixable.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/unused_format_specs_unfixable.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/unused_format_specs_unfixable.rs b/src/tools/clippy/tests/ui/unused_format_specs_unfixable.rs new file mode 100644 index 000000000..78601a348 --- /dev/null +++ b/src/tools/clippy/tests/ui/unused_format_specs_unfixable.rs @@ -0,0 +1,30 @@ +#![warn(clippy::unused_format_specs)] +#![allow(unused)] + +macro_rules! format_args_from_macro { + () => { + format_args!("from macro") + }; +} + +fn main() { + // prints `.`, not ` .` + println!("{:5}.", format_args!("")); + //prints `abcde`, not `abc` + println!("{:.3}", format_args!("abcde")); + + println!("{:5}.", format_args_from_macro!()); + + let args = format_args!(""); + println!("{args:5}"); +} + +fn should_not_lint() { + println!("{}", format_args!("")); + // Technically the same as `{}`, but the `format_args` docs specifically mention that you can use + // debug formatting so allow it + println!("{:?}", format_args!("")); + + let args = format_args!(""); + println!("{args}"); +} |