From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/tools/clippy/tests/ui/cmp_null.rs | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 src/tools/clippy/tests/ui/cmp_null.rs (limited to 'src/tools/clippy/tests/ui/cmp_null.rs') diff --git a/src/tools/clippy/tests/ui/cmp_null.rs b/src/tools/clippy/tests/ui/cmp_null.rs new file mode 100644 index 000000000..2d2d04178 --- /dev/null +++ b/src/tools/clippy/tests/ui/cmp_null.rs @@ -0,0 +1,17 @@ +#![warn(clippy::cmp_null)] +#![allow(unused_mut)] + +use std::ptr; + +fn main() { + let x = 0; + let p: *const usize = &x; + if p == ptr::null() { + println!("This is surprising!"); + } + let mut y = 0; + let mut m: *mut usize = &mut y; + if m == ptr::null_mut() { + println!("This is surprising, too!"); + } +} -- cgit v1.2.3