Since this got fixed within the stdlib, the capacity fn no longer needs a mutable pointer and I also removed the relevant note comment about this. Updated docs to reflect this change

Author: deckarep

docs/sources.tar

@@ -102,8 +102,7 @@ pub fn ArraySetManaged(comptime E: type) type {
 
         /// Returns the number of total elements which may be present before
         /// it is no longer guaranteed that no allocations will be performed.
-        pub fn capacity(self: *Self) Size {
-            // Note: map.capacity() requires mutable access, probably an oversight.
+        pub fn capacity(self: Self) Size {
             return self.unmanaged.capacity();
         }
 

src/array_hash_set/managed.zig

@@ -106,8 +106,7 @@ pub fn ArraySetUnmanaged(comptime E: type) type {
 
         /// Returns the number of total elements which may be present before
         /// it is no longer guaranteed that no allocations will be performed.
-        pub fn capacity(self: *Self) Size {
-            // Note: map.capacity() requires mutable access, probably an oversight.
+        pub fn capacity(self: Self) Size {
             return self.unmanaged.capacity();
         }
 

src/array_hash_set/unmanaged.zig

@@ -134,8 +134,7 @@ pub fn HashSetManagedWithContext(comptime E: type, comptime Context: type, compt
 
         /// Returns the number of total elements which may be present before
         /// it is no longer guaranteed that no allocations will be performed.
-        pub fn capacity(self: *Self) Size {
-            // Note: map.capacity() requires mutable access, probably an oversight.
+        pub fn capacity(self: Self) Size {
             return self.map.capacity();
         }
 

src/hash_set/managed.zig

@@ -142,8 +142,7 @@ pub fn HashSetUnmanagedWithContext(comptime E: type, comptime Context: type, com
 
         /// Returns the number of total elements which may be present before
         /// it is no longer guaranteed that no allocations will be performed.
-        pub fn capacity(self: *Self) Size {
-            // Note: map.capacity() requires mutable access, probably an oversight.
+        pub fn capacity(self: Self) Size {
             return self.unmanaged.capacity();
         }