Copybara import of the project:

--
4b67c374d49b00860a8f285aae2e064cc58a0dc7 by Bastien Jacot-Guillarmod <bjacotg@gmail.com>:

Make `ActualT` in `Matcher` a generic type parameter.

--
7e34d847f2cda5387e55ac436ded30cc6d07bcaa by Bastien Jacot-Guillarmod <bjacotg@gmail.com>:

Accept all `Copy` type for `ActualT` instead of only reference.

PiperOrigin-RevId: 624094573

rust/BUILD

@@ -85,7 +85,9 @@ rust_library(
 rust_test(
     name = "protobuf_upb_test",
     crate = ":protobuf_upb",
-    rustc_flags = ["--cfg=upb_kernel"],
+    rustc_flags = [
+        "--cfg=upb_kernel",
+    ],
     deps = [
         "@crate_index//:googletest",
     ],
@@ -113,7 +115,9 @@ rust_library(
 rust_test(
     name = "protobuf_cpp_test",
     crate = ":protobuf_cpp",
-    rustc_flags = ["--cfg=cpp_kernel"],
+    rustc_flags = [
+        "--cfg=cpp_kernel",
+    ],
     deps = [
         "@crate_index//:googletest",
     ],

rust/map.rs

@@ -543,7 +543,7 @@ mod tests {
             ]
         );
         assert_that!(
-            map.as_mut().iter().collect::<Vec<_>>(),
+            map.as_view().into_iter().collect::<Vec<_>>(),
             unordered_elements_are![
                 eq((3, ProtoStr::from_str("fizz"))),
                 eq((5, ProtoStr::from_str("buzz"))),
@@ -559,7 +559,6 @@ mod tests {
         assert!(map_mut.insert(0, "fizz"));
         // insert should return false when the key is already present
         assert!(!map_mut.insert(0, "buzz"));
-
         assert_that!(
             map.as_mut().iter().collect::<Vec<_>>(),
             unordered_elements_are![eq((0, ProtoStr::from_str("buzz"))),]