diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/toplevel_ref_arg_non_rustfix.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/toplevel_ref_arg_non_rustfix.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/toplevel_ref_arg_non_rustfix.rs b/src/tools/clippy/tests/ui/toplevel_ref_arg_non_rustfix.rs new file mode 100644 index 000000000..1a493fbce --- /dev/null +++ b/src/tools/clippy/tests/ui/toplevel_ref_arg_non_rustfix.rs @@ -0,0 +1,33 @@ +// aux-build:macro_rules.rs + +#![warn(clippy::toplevel_ref_arg)] +#![allow(unused)] + +#[macro_use] +extern crate macro_rules; + +fn the_answer(ref mut x: u8) { + *x = 42; +} + +macro_rules! gen_function { + () => { + fn fun_example(ref _x: usize) {} + }; +} + +fn main() { + let mut x = 0; + the_answer(x); + + // lint in macro + #[allow(unused)] + { + gen_function!(); + } + + // do not lint in external macro + { + ref_arg_function!(); + } +} |