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 --- .../run_pass/filter-on-struct-member.rs | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/test/ui/closures/2229_closure_analysis/run_pass/filter-on-struct-member.rs (limited to 'src/test/ui/closures/2229_closure_analysis/run_pass/filter-on-struct-member.rs') diff --git a/src/test/ui/closures/2229_closure_analysis/run_pass/filter-on-struct-member.rs b/src/test/ui/closures/2229_closure_analysis/run_pass/filter-on-struct-member.rs new file mode 100644 index 000000000..e19f5ff1b --- /dev/null +++ b/src/test/ui/closures/2229_closure_analysis/run_pass/filter-on-struct-member.rs @@ -0,0 +1,37 @@ +// edition:2021 +// run-pass + +// Test disjoint capture within an impl block + +struct Filter { + div: i32, +} +impl Filter { + fn allowed(&self, x: i32) -> bool { + x % self.div == 1 + } +} + +struct Data { + filter: Filter, + list: Vec, +} +impl Data { + fn update(&mut self) { + // The closure passed to filter only captures self.filter, + // therefore mutating self.list is allowed. + self.list.retain( + |v| self.filter.allowed(*v), + ); + } +} + +fn main() { + let mut d = Data { filter: Filter { div: 3 }, list: Vec::new() }; + + for i in 1..10 { + d.list.push(i); + } + + d.update(); +} -- cgit v1.2.3