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/get_last_with_len.rs | 49 ++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 src/tools/clippy/tests/ui/get_last_with_len.rs (limited to 'src/tools/clippy/tests/ui/get_last_with_len.rs') diff --git a/src/tools/clippy/tests/ui/get_last_with_len.rs b/src/tools/clippy/tests/ui/get_last_with_len.rs new file mode 100644 index 000000000..d63a731bd --- /dev/null +++ b/src/tools/clippy/tests/ui/get_last_with_len.rs @@ -0,0 +1,49 @@ +// run-rustfix + +#![warn(clippy::get_last_with_len)] +#![allow(unused)] + +use std::collections::VecDeque; + +fn dont_use_last() { + let x = vec![2, 3, 5]; + let _ = x.get(x.len() - 1); +} + +fn indexing_two_from_end() { + let x = vec![2, 3, 5]; + let _ = x.get(x.len() - 2); +} + +fn index_into_last() { + let x = vec![2, 3, 5]; + let _ = x[x.len() - 1]; +} + +fn use_last_with_different_vec_length() { + let x = vec![2, 3, 5]; + let y = vec!['a', 'b', 'c']; + let _ = x.get(y.len() - 1); +} + +struct S { + field: Vec, +} + +fn in_field(s: &S) { + let _ = s.field.get(s.field.len() - 1); +} + +fn main() { + let slice = &[1, 2, 3]; + let _ = slice.get(slice.len() - 1); + + let array = [4, 5, 6]; + let _ = array.get(array.len() - 1); + + let deq = VecDeque::from([7, 8, 9]); + let _ = deq.get(deq.len() - 1); + + let nested = [[1]]; + let _ = nested[0].get(nested[0].len() - 1); +} -- cgit v1.2.3