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authorDylan DPC <99973273+Dylan-DPC@users.noreply.github.com>2022-10-02 20:42:22 +0530
committerGitHub <noreply@github.com>2022-10-02 20:42:22 +0530
commit890a327c8635cdfc9cd7d97dbd2d916e863e7fc7 (patch)
tree0b08ee9e358939158e0c52036241e7ce71f4896f /library/alloc/src
parentf3ab5a66a93d00da8764057f1503486b8a2516b3 (diff)
parentda78c1fd43c39166e09dd4b5cf93a66396841c2d (diff)
downloadrust-890a327c8635cdfc9cd7d97dbd2d916e863e7fc7.tar.gz
rust-890a327c8635cdfc9cd7d97dbd2d916e863e7fc7.zip
Rollup merge of #102556 - WaffleLapkin:implied_by_btree_new, r=Mark-Simulacrum
Make `feature(const_btree_len)` implied by `feature(const_btree_new)`

...this should fix code that used the old feature that was changed in #102197

cc ```@davidtwco``` it seems like tidy doesn't check `implied_by`, should it?
Diffstat (limited to 'library/alloc/src')
-rw-r--r--library/alloc/src/collections/btree/map.rs12
-rw-r--r--library/alloc/src/collections/btree/set.rs12
2 files changed, 20 insertions, 4 deletions
diff --git a/library/alloc/src/collections/btree/map.rs b/library/alloc/src/collections/btree/map.rs
index 3018d1c9125..3687f84b1bd 100644
--- a/library/alloc/src/collections/btree/map.rs
+++ b/library/alloc/src/collections/btree/map.rs
@@ -2392,7 +2392,11 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_btree_len", issue = "71835")]
+    #[rustc_const_unstable(
+        feature = "const_btree_len",
+        issue = "71835",
+        implied_by = "const_btree_new"
+    )]
     pub const fn len(&self) -> usize {
         self.length
     }
@@ -2413,7 +2417,11 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_btree_len", issue = "71835")]
+    #[rustc_const_unstable(
+        feature = "const_btree_len",
+        issue = "71835",
+        implied_by = "const_btree_new"
+    )]
     pub const fn is_empty(&self) -> bool {
         self.len() == 0
     }
diff --git a/library/alloc/src/collections/btree/set.rs b/library/alloc/src/collections/btree/set.rs
index 3caaf521240..5783d836e10 100644
--- a/library/alloc/src/collections/btree/set.rs
+++ b/library/alloc/src/collections/btree/set.rs
@@ -1174,7 +1174,11 @@ impl<T, A: Allocator + Clone> BTreeSet<T, A> {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_btree_len", issue = "71835")]
+    #[rustc_const_unstable(
+        feature = "const_btree_len",
+        issue = "71835",
+        implied_by = "const_btree_new"
+    )]
     pub const fn len(&self) -> usize {
         self.map.len()
     }
@@ -1193,7 +1197,11 @@ impl<T, A: Allocator + Clone> BTreeSet<T, A> {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_btree_len", issue = "71835")]
+    #[rustc_const_unstable(
+        feature = "const_btree_len",
+        issue = "71835",
+        implied_by = "const_btree_new"
+    )]
     pub const fn is_empty(&self) -> bool {
         self.len() == 0
     }