diff options
Diffstat (limited to 'absl/container/flat_hash_map.h')
| -rw-r--r-- | absl/container/flat_hash_map.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/absl/container/flat_hash_map.h b/absl/container/flat_hash_map.h index e6bdbd9e..acd013b0 100644 --- a/absl/container/flat_hash_map.h +++ b/absl/container/flat_hash_map.h @@ -64,7 +64,7 @@ struct FlatHashMapPolicy; // `insert()`, provided that the map is provided a compatible heterogeneous // hashing function and equality operator. // * Invalidates any references and pointers to elements within the table after -// `rehash()`. +// `rehash()` and when the table is moved. // * Contains a `capacity()` member function indicating the number of element // slots (open, deleted, and empty) within the hash map. // * Returns `void` from the `erase(iterator)` overload. @@ -235,7 +235,11 @@ class flat_hash_map : public absl::container_internal::raw_hash_map< // iterator erase(const_iterator first, const_iterator last): // // Erases the elements in the open interval [`first`, `last`), returning an - // iterator pointing to `last`. + // iterator pointing to `last`. The special case of calling + // `erase(begin(), end())` resets the reserved growth such that if + // `reserve(N)` has previously been called and there has been no intervening + // call to `clear()`, then after calling `erase(begin(), end())`, it is safe + // to assume that inserting N elements will not cause a rehash. // // size_type erase(const key_type& key): // @@ -575,9 +579,9 @@ struct FlatHashMapPolicy { } template <class Allocator> - static void transfer(Allocator* alloc, slot_type* new_slot, + static auto transfer(Allocator* alloc, slot_type* new_slot, slot_type* old_slot) { - slot_policy::transfer(alloc, new_slot, old_slot); + return slot_policy::transfer(alloc, new_slot, old_slot); } template <class F, class... Args> |