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-rw-r--r--third_party/abseil-cpp/absl/container/btree_set.h81
1 files changed, 63 insertions, 18 deletions
diff --git a/third_party/abseil-cpp/absl/container/btree_set.h b/third_party/abseil-cpp/absl/container/btree_set.h
index 127fb940d4..8973900693 100644
--- a/third_party/abseil-cpp/absl/container/btree_set.h
+++ b/third_party/abseil-cpp/absl/container/btree_set.h
@@ -183,7 +183,7 @@ class btree_set
// template <typename K> size_type erase(const K& key):
//
// Erases the element with the matching key, if it exists, returning the
- // number of elements erased.
+ // number of elements erased (0 or 1).
using Base::erase;
// btree_set::insert()
@@ -263,7 +263,7 @@ class btree_set
// Extracts the element at the indicated position and returns a node handle
// owning that extracted data.
//
- // template <typename K> node_type extract(const K& x):
+ // template <typename K> node_type extract(const K& k):
//
// Extracts the element with the key matching the passed key value and
// returns a node handle owning that extracted data. If the `btree_set`
@@ -300,8 +300,8 @@ class btree_set
// Determines whether an element comparing equal to the given `key` exists
// within the `btree_set`, returning `true` if so or `false` otherwise.
//
- // Supports heterogeneous lookup, provided that the set is provided a
- // compatible heterogeneous comparator.
+ // Supports heterogeneous lookup, provided that the set has a compatible
+ // heterogeneous comparator.
using Base::contains;
// btree_set::count()
@@ -312,8 +312,8 @@ class btree_set
// the `btree_set`. Note that this function will return either `1` or `0`
// since duplicate elements are not allowed within a `btree_set`.
//
- // Supports heterogeneous lookup, provided that the set is provided a
- // compatible heterogeneous comparator.
+ // Supports heterogeneous lookup, provided that the set has a compatible
+ // heterogeneous comparator.
using Base::count;
// btree_set::equal_range()
@@ -330,10 +330,32 @@ class btree_set
//
// Finds an element with the passed `key` within the `btree_set`.
//
- // Supports heterogeneous lookup, provided that the set is provided a
- // compatible heterogeneous comparator.
+ // Supports heterogeneous lookup, provided that the set has a compatible
+ // heterogeneous comparator.
using Base::find;
+ // btree_set::lower_bound()
+ //
+ // template <typename K> iterator lower_bound(const K& key):
+ // template <typename K> const_iterator lower_bound(const K& key) const:
+ //
+ // Finds the first element that is not less than `key` within the `btree_set`.
+ //
+ // Supports heterogeneous lookup, provided that the set has a compatible
+ // heterogeneous comparator.
+ using Base::lower_bound;
+
+ // btree_set::upper_bound()
+ //
+ // template <typename K> iterator upper_bound(const K& key):
+ // template <typename K> const_iterator upper_bound(const K& key) const:
+ //
+ // Finds the first element that is greater than `key` within the `btree_set`.
+ //
+ // Supports heterogeneous lookup, provided that the set has a compatible
+ // heterogeneous comparator.
+ using Base::upper_bound;
+
// btree_set::get_allocator()
//
// Returns the allocator function associated with this `btree_set`.
@@ -567,7 +589,7 @@ class btree_multiset
// Extracts the element at the indicated position and returns a node handle
// owning that extracted data.
//
- // template <typename K> node_type extract(const K& x):
+ // template <typename K> node_type extract(const K& k):
//
// Extracts the element with the key matching the passed key value and
// returns a node handle owning that extracted data. If the `btree_multiset`
@@ -582,9 +604,8 @@ class btree_multiset
// btree_multiset::merge()
//
- // Extracts elements from a given `source` btree_multiset into this
- // `btree_multiset`. If the destination `btree_multiset` already contains an
- // element with an equivalent key, that element is not extracted.
+ // Extracts all elements from a given `source` btree_multiset into this
+ // `btree_multiset`.
using Base::merge;
// btree_multiset::swap(btree_multiset& other)
@@ -604,8 +625,8 @@ class btree_multiset
// Determines whether an element comparing equal to the given `key` exists
// within the `btree_multiset`, returning `true` if so or `false` otherwise.
//
- // Supports heterogeneous lookup, provided that the set is provided a
- // compatible heterogeneous comparator.
+ // Supports heterogeneous lookup, provided that the set has a compatible
+ // heterogeneous comparator.
using Base::contains;
// btree_multiset::count()
@@ -615,8 +636,8 @@ class btree_multiset
// Returns the number of elements comparing equal to the given `key` within
// the `btree_multiset`.
//
- // Supports heterogeneous lookup, provided that the set is provided a
- // compatible heterogeneous comparator.
+ // Supports heterogeneous lookup, provided that the set has a compatible
+ // heterogeneous comparator.
using Base::count;
// btree_multiset::equal_range()
@@ -633,10 +654,34 @@ class btree_multiset
//
// Finds an element with the passed `key` within the `btree_multiset`.
//
- // Supports heterogeneous lookup, provided that the set is provided a
- // compatible heterogeneous comparator.
+ // Supports heterogeneous lookup, provided that the set has a compatible
+ // heterogeneous comparator.
using Base::find;
+ // btree_multiset::lower_bound()
+ //
+ // template <typename K> iterator lower_bound(const K& key):
+ // template <typename K> const_iterator lower_bound(const K& key) const:
+ //
+ // Finds the first element that is not less than `key` within the
+ // `btree_multiset`.
+ //
+ // Supports heterogeneous lookup, provided that the set has a compatible
+ // heterogeneous comparator.
+ using Base::lower_bound;
+
+ // btree_multiset::upper_bound()
+ //
+ // template <typename K> iterator upper_bound(const K& key):
+ // template <typename K> const_iterator upper_bound(const K& key) const:
+ //
+ // Finds the first element that is greater than `key` within the
+ // `btree_multiset`.
+ //
+ // Supports heterogeneous lookup, provided that the set has a compatible
+ // heterogeneous comparator.
+ using Base::upper_bound;
+
// btree_multiset::get_allocator()
//
// Returns the allocator function associated with this `btree_multiset`.