New upstream version 1.67.1+dfsg1

[rustc.git] / library / std / src / collections / hash / map.rs

diff --git a/library/std/src/collections/hash/map.rs b/library/std/src/collections/hash/map.rs
index 708edc5de4751f0232f04ca98e1d7f6acbf3cc87..df490358827e7ae9c8fd777450dc776a19f66b10 100644 (file)
--- a/library/std/src/collections/hash/map.rs
+++ b/library/std/src/collections/hash/map.rs
@@ -3161,14 +3161,16 @@ impl DefaultHasher {
     #[stable(feature = "hashmap_default_hasher", since = "1.13.0")]
     #[inline]
     #[allow(deprecated)]
+    #[rustc_const_unstable(feature = "const_hash", issue = "104061")]
     #[must_use]
-    pub fn new() -> DefaultHasher {
+    pub const fn new() -> DefaultHasher {
         DefaultHasher(SipHasher13::new_with_keys(0, 0))
     }
 }
 
 #[stable(feature = "hashmap_default_hasher", since = "1.13.0")]
-impl Default for DefaultHasher {
+#[rustc_const_unstable(feature = "const_hash", issue = "104061")]
+impl const Default for DefaultHasher {
     /// Creates a new `DefaultHasher` using [`new`].
     /// See its documentation for more.
     ///
@@ -3180,7 +3182,8 @@ impl Default for DefaultHasher {
 }
 
 #[stable(feature = "hashmap_default_hasher", since = "1.13.0")]
-impl Hasher for DefaultHasher {
+#[rustc_const_unstable(feature = "const_hash", issue = "104061")]
+impl const Hasher for DefaultHasher {
     // The underlying `SipHasher13` doesn't override the other
     // `write_*` methods, so it's ok not to forward them here.