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/borrowck/index-mut-help.rs | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 tests/ui/borrowck/index-mut-help.rs (limited to 'tests/ui/borrowck/index-mut-help.rs') diff --git a/tests/ui/borrowck/index-mut-help.rs b/tests/ui/borrowck/index-mut-help.rs new file mode 100644 index 000000000..35266e113 --- /dev/null +++ b/tests/ui/borrowck/index-mut-help.rs @@ -0,0 +1,13 @@ +// When mutably indexing a type that implements `Index` but not `IndexMut`, a +// special 'help' message is added to the output. +use std::collections::HashMap; + + +fn main() { + let mut map = HashMap::new(); + map.insert("peter", "23".to_string()); + + map["peter"].clear(); //~ ERROR + map["peter"] = "0".to_string(); //~ ERROR + let _ = &mut map["peter"]; //~ ERROR +} -- cgit v1.2.3