Auto merge of #51178 - GabrielMajeri:os-str-compare, r=SimonSapin

Implement PartialEq between &str and OsString

This fixes #49854.

It allows equality comparison between `OsString` values and `str` references, such as `os_string == "something"`.

1 files changed, 14 insertions, 0 deletions

diff --git a/src/libstd/ffi/os_str.rs b/src/libstd/ffi/os_str.rs
index 0a3148029d0..4ada6a77a8e 100644
--- a/src/libstd/ffi/os_str.rs
+++ b/src/libstd/ffi/os_str.rs
@@ -417,6 +417,20 @@ impl PartialEq<OsString> for str {
     }
 }
 
+#[stable(feature = "os_str_str_ref_eq", since = "1.28.0")]
+impl<'a> PartialEq<&'a str> for OsString {
+    fn eq(&self, other: &&'a str) -> bool {
+        **self == **other
+    }
+}
+
+#[stable(feature = "os_str_str_ref_eq", since = "1.28.0")]
+impl<'a> PartialEq<OsString> for &'a str {
+    fn eq(&self, other: &OsString) -> bool {
+        **other == **self
+    }
+}
+
 #[stable(feature = "rust1", since = "1.0.0")]
 impl Eq for OsString {}