From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/structs-enums/borrow-tuple-fields.rs | 38 +++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 tests/ui/structs-enums/borrow-tuple-fields.rs (limited to 'tests/ui/structs-enums/borrow-tuple-fields.rs') diff --git a/tests/ui/structs-enums/borrow-tuple-fields.rs b/tests/ui/structs-enums/borrow-tuple-fields.rs new file mode 100644 index 000000000..b1d8f9164 --- /dev/null +++ b/tests/ui/structs-enums/borrow-tuple-fields.rs @@ -0,0 +1,38 @@ +// run-pass + +struct Foo(isize, isize); + +fn main() { + let x = (1, 2); + let a = &x.0; + let b = &x.0; + assert_eq!(*a, 1); + assert_eq!(*b, 1); + + let mut x = (1, 2); + { + let a = &x.0; + let b = &mut x.1; + *b = 5; + assert_eq!(*a, 1); + } + assert_eq!(x.0, 1); + assert_eq!(x.1, 5); + + + let x = Foo(1, 2); + let a = &x.0; + let b = &x.0; + assert_eq!(*a, 1); + assert_eq!(*b, 1); + + let mut x = Foo(1, 2); + { + let a = &x.0; + let b = &mut x.1; + *b = 5; + assert_eq!(*a, 1); + } + assert_eq!(x.0, 1); + assert_eq!(x.1, 5); +} -- cgit v1.2.3