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 --- .../borrowck-match-binding-is-assignment.rs | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 src/test/ui/borrowck/borrowck-match-binding-is-assignment.rs (limited to 'src/test/ui/borrowck/borrowck-match-binding-is-assignment.rs') diff --git a/src/test/ui/borrowck/borrowck-match-binding-is-assignment.rs b/src/test/ui/borrowck/borrowck-match-binding-is-assignment.rs new file mode 100644 index 000000000..064bf69ae --- /dev/null +++ b/src/test/ui/borrowck/borrowck-match-binding-is-assignment.rs @@ -0,0 +1,41 @@ +// Test that immutable pattern bindings cannot be reassigned. + +enum E { + Foo(isize) +} + +struct S { + bar: isize, +} + +pub fn main() { + match 1 { + x => { + x += 1; //~ ERROR [E0384] + } + } + + match E::Foo(1) { + E::Foo(x) => { + x += 1; //~ ERROR [E0384] + } + } + + match (S { bar: 1 }) { + S { bar: x } => { + x += 1; //~ ERROR [E0384] + } + } + + match (1,) { + (x,) => { + x += 1; //~ ERROR [E0384] + } + } + + match [1,2,3] { + [x,_,_] => { + x += 1; //~ ERROR [E0384] + } + } +} -- cgit v1.2.3