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/option_filter_map.rs | 27 ++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 src/tools/clippy/tests/ui/option_filter_map.rs (limited to 'src/tools/clippy/tests/ui/option_filter_map.rs') diff --git a/src/tools/clippy/tests/ui/option_filter_map.rs b/src/tools/clippy/tests/ui/option_filter_map.rs new file mode 100644 index 000000000..7abaaa0fb --- /dev/null +++ b/src/tools/clippy/tests/ui/option_filter_map.rs @@ -0,0 +1,27 @@ +// run-rustfix +#![warn(clippy::option_filter_map)] +#![allow(clippy::map_flatten)] + +fn main() { + let _ = Some(Some(1)).filter(Option::is_some).map(Option::unwrap); + let _ = Some(Some(1)).filter(|o| o.is_some()).map(|o| o.unwrap()); + let _ = Some(1).map(odds_out).filter(Option::is_some).map(Option::unwrap); + let _ = Some(1).map(odds_out).filter(|o| o.is_some()).map(|o| o.unwrap()); + + let _ = vec![Some(1)].into_iter().filter(Option::is_some).map(Option::unwrap); + let _ = vec![Some(1)].into_iter().filter(|o| o.is_some()).map(|o| o.unwrap()); + let _ = vec![1] + .into_iter() + .map(odds_out) + .filter(Option::is_some) + .map(Option::unwrap); + let _ = vec![1] + .into_iter() + .map(odds_out) + .filter(|o| o.is_some()) + .map(|o| o.unwrap()); +} + +fn odds_out(x: i32) -> Option { + if x % 2 == 0 { Some(x) } else { None } +} -- cgit v1.2.3