From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/borrowck/borrowck-anon-fields-tuple.rs | 35 +++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 tests/ui/borrowck/borrowck-anon-fields-tuple.rs (limited to 'tests/ui/borrowck/borrowck-anon-fields-tuple.rs') diff --git a/tests/ui/borrowck/borrowck-anon-fields-tuple.rs b/tests/ui/borrowck/borrowck-anon-fields-tuple.rs new file mode 100644 index 000000000..de2a8d832 --- /dev/null +++ b/tests/ui/borrowck/borrowck-anon-fields-tuple.rs @@ -0,0 +1,35 @@ +// Tests that we are able to distinguish when loans borrow different +// anonymous fields of a tuple vs the same anonymous field. + +fn distinct_variant() { + let mut y = (1, 2); + + let a = match y { + (ref mut a, _) => a + }; + + let b = match y { + (_, ref mut b) => b + }; + + *a += 1; + *b += 1; +} + +fn same_variant() { + let mut y = (1, 2); + + let a = match y { + (ref mut a, _) => a + }; + + let b = match y { + (ref mut b, _) => b //~ ERROR cannot borrow + }; + + *a += 1; + *b += 1; +} + +fn main() { +} -- cgit v1.2.3