Creation of LTS branch "lts_2019_08_08"20190808

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GitOrigin-RevId: 9ee91d3e430fb33a4590486573792eb0fa146c2d
Change-Id: Ia06e548bc106cc9d136f6c65714be6645317aced

1 files changed, 43 insertions, 41 deletions

diff --git a/absl/strings/str_join.h b/absl/strings/str_join.h
index dc476a22..c6c0c98a 100644
--- a/absl/strings/str_join.h
+++ b/absl/strings/str_join.h
@@ -5,7 +5,7 @@
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
+//      https://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ -18,13 +18,13 @@
 // -----------------------------------------------------------------------------
 //
 // This header file contains functions for joining a range of elements and
-// returning the result as a string. StrJoin operations are specified by passing
-// a range, a separator string to use between the elements joined, and an
-// optional Formatter responsible for converting each argument in the range to a
-// string. If omitted, a default `AlphaNumFormatter()` is called on the elements
-// to be joined, using the same formatting that `absl::StrCat()` uses. This
-// package defines a number of default formatters, and you can define your own
-// implementations.
+// returning the result as a std::string. StrJoin operations are specified by
+// passing a range, a separator string to use between the elements joined, and
+// an optional Formatter responsible for converting each argument in the range
+// to a string. If omitted, a default `AlphaNumFormatter()` is called on the
+// elements to be joined, using the same formatting that `absl::StrCat()` uses.
+// This package defines a number of default formatters, and you can define your
+// own implementations.
 //
 // Ranges are specified by passing a container with `std::begin()` and
 // `std::end()` iterators, container-specific `begin()` and `end()` iterators, a
@@ -37,8 +37,8 @@
 //
 // Example:
 //
-//   std::vector<string> v = {"foo", "bar", "baz"};
-//   string s = absl::StrJoin(v, "-");
+//   std::vector<std::string> v = {"foo", "bar", "baz"};
+//   std::string s = absl::StrJoin(v, "-");
 //   EXPECT_EQ("foo-bar-baz", s);
 //
 // See comments on the `absl::StrJoin()` function for more examples.
@@ -60,23 +60,23 @@
 #include "absl/strings/string_view.h"
 
 namespace absl {
-inline namespace lts_2018_12_18 {
+inline namespace lts_2019_08_08 {
 
 // -----------------------------------------------------------------------------
 // Concept: Formatter
 // -----------------------------------------------------------------------------
 //
 // A Formatter is a function object that is responsible for formatting its
-// argument as a string and appending it to a given output string. Formatters
-// may be implemented as function objects, lambdas, or normal functions. You may
-// provide your own Formatter to enable `absl::StrJoin()` to work with arbitrary
-// types.
+// argument as a string and appending it to a given output std::string.
+// Formatters may be implemented as function objects, lambdas, or normal
+// functions. You may provide your own Formatter to enable `absl::StrJoin()` to
+// work with arbitrary types.
 //
 // The following is an example of a custom Formatter that simply uses
-// `std::to_string()` to format an integer as a string.
+// `std::to_string()` to format an integer as a std::string.
 //
 //   struct MyFormatter {
-//     void operator()(string* out, int i) const {
+//     void operator()(std::string* out, int i) const {
 //       out->append(std::to_string(i));
 //     }
 //   };
@@ -85,7 +85,7 @@ inline namespace lts_2018_12_18 {
 // argument to `absl::StrJoin()`:
 //
 //   std::vector<int> v = {1, 2, 3, 4};
-//   string s = absl::StrJoin(v, "-", MyFormatter());
+//   std::string s = absl::StrJoin(v, "-", MyFormatter());
 //   EXPECT_EQ("1-2-3-4", s);
 //
 // The following standard formatters are provided within this file:
@@ -157,7 +157,7 @@ DereferenceFormatter() {
 // StrJoin()
 // -----------------------------------------------------------------------------
 //
-// Joins a range of elements and returns the result as a string.
+// Joins a range of elements and returns the result as a std::string.
 // `absl::StrJoin()` takes a range, a separator string to use between the
 // elements joined, and an optional Formatter responsible for converting each
 // argument in the range to a string.
@@ -168,22 +168,22 @@ DereferenceFormatter() {
 // Example 1:
 //   // Joins a collection of strings. This pattern also works with a collection
 //   // of `absl::string_view` or even `const char*`.
-//   std::vector<string> v = {"foo", "bar", "baz"};
-//   string s = absl::StrJoin(v, "-");
+//   std::vector<std::string> v = {"foo", "bar", "baz"};
+//   std::string s = absl::StrJoin(v, "-");
 //   EXPECT_EQ("foo-bar-baz", s);
 //
 // Example 2:
 //   // Joins the values in the given `std::initializer_list<>` specified using
 //   // brace initialization. This pattern also works with an initializer_list
 //   // of ints or `absl::string_view` -- any `AlphaNum`-compatible type.
-//   string s = absl::StrJoin({"foo", "bar", "baz"}, "-");
+//   std::string s = absl::StrJoin({"foo", "bar", "baz"}, "-");
 //   EXPECT_EQ("foo-bar-baz", s);
 //
 // Example 3:
 //   // Joins a collection of ints. This pattern also works with floats,
 //   // doubles, int64s -- any `StrCat()`-compatible type.
 //   std::vector<int> v = {1, 2, 3, -4};
-//   string s = absl::StrJoin(v, "-");
+//   std::string s = absl::StrJoin(v, "-");
 //   EXPECT_EQ("1-2-3--4", s);
 //
 // Example 4:
@@ -194,7 +194,7 @@ DereferenceFormatter() {
 //   // `std::vector<int*>`.
 //   int x = 1, y = 2, z = 3;
 //   std::vector<int*> v = {&x, &y, &z};
-//   string s = absl::StrJoin(v, "-");
+//   std::string s = absl::StrJoin(v, "-");
 //   EXPECT_EQ("1-2-3", s);
 //
 // Example 5:
@@ -203,65 +203,65 @@ DereferenceFormatter() {
 //   v.emplace_back(new int(1));
 //   v.emplace_back(new int(2));
 //   v.emplace_back(new int(3));
-//   string s = absl::StrJoin(v, "-");
+//   std::string s = absl::StrJoin(v, "-");
 //   EXPECT_EQ("1-2-3", s);
 //
 // Example 6:
 //   // Joins a `std::map`, with each key-value pair separated by an equals
 //   // sign. This pattern would also work with, say, a
 //   // `std::vector<std::pair<>>`.
-//   std::map<string, int> m = {
+//   std::map<std::string, int> m = {
 //       std::make_pair("a", 1),
 //       std::make_pair("b", 2),
 //       std::make_pair("c", 3)};
-//   string s = absl::StrJoin(m, ",", absl::PairFormatter("="));
+//   std::string s = absl::StrJoin(m, ",", absl::PairFormatter("="));
 //   EXPECT_EQ("a=1,b=2,c=3", s);
 //
 // Example 7:
 //   // These examples show how `absl::StrJoin()` handles a few common edge
 //   // cases:
-//   std::vector<string> v_empty;
+//   std::vector<std::string> v_empty;
 //   EXPECT_EQ("", absl::StrJoin(v_empty, "-"));
 //
-//   std::vector<string> v_one_item = {"foo"};
+//   std::vector<std::string> v_one_item = {"foo"};
 //   EXPECT_EQ("foo", absl::StrJoin(v_one_item, "-"));
 //
-//   std::vector<string> v_empty_string = {""};
+//   std::vector<std::string> v_empty_string = {""};
 //   EXPECT_EQ("", absl::StrJoin(v_empty_string, "-"));
 //
-//   std::vector<string> v_one_item_empty_string = {"a", ""};
+//   std::vector<std::string> v_one_item_empty_string = {"a", ""};
 //   EXPECT_EQ("a-", absl::StrJoin(v_one_item_empty_string, "-"));
 //
-//   std::vector<string> v_two_empty_string = {"", ""};
+//   std::vector<std::string> v_two_empty_string = {"", ""};
 //   EXPECT_EQ("-", absl::StrJoin(v_two_empty_string, "-"));
 //
 // Example 8:
 //   // Joins a `std::tuple<T...>` of heterogeneous types, converting each to
-//   // a string using the `absl::AlphaNum` class.
-//   string s = absl::StrJoin(std::make_tuple(123, "abc", 0.456), "-");
+//   // a std::string using the `absl::AlphaNum` class.
+//   std::string s = absl::StrJoin(std::make_tuple(123, "abc", 0.456), "-");
 //   EXPECT_EQ("123-abc-0.456", s);
 
 template <typename Iterator, typename Formatter>
 std::string StrJoin(Iterator start, Iterator end, absl::string_view sep,
-               Formatter&& fmt) {
+                    Formatter&& fmt) {
   return strings_internal::JoinAlgorithm(start, end, sep, fmt);
 }
 
 template <typename Range, typename Formatter>
 std::string StrJoin(const Range& range, absl::string_view separator,
-               Formatter&& fmt) {
+                    Formatter&& fmt) {
   return strings_internal::JoinRange(range, separator, fmt);
 }
 
 template <typename T, typename Formatter>
 std::string StrJoin(std::initializer_list<T> il, absl::string_view separator,
-               Formatter&& fmt) {
+                    Formatter&& fmt) {
   return strings_internal::JoinRange(il, separator, fmt);
 }
 
 template <typename... T, typename Formatter>
 std::string StrJoin(const std::tuple<T...>& value, absl::string_view separator,
-               Formatter&& fmt) {
+                    Formatter&& fmt) {
   return strings_internal::JoinAlgorithm(value, separator, fmt);
 }
 
@@ -276,16 +276,18 @@ std::string StrJoin(const Range& range, absl::string_view separator) {
 }
 
 template <typename T>
-std::string StrJoin(std::initializer_list<T> il, absl::string_view separator) {
+std::string StrJoin(std::initializer_list<T> il,
+                    absl::string_view separator) {
   return strings_internal::JoinRange(il, separator);
 }
 
 template <typename... T>
-std::string StrJoin(const std::tuple<T...>& value, absl::string_view separator) {
+std::string StrJoin(const std::tuple<T...>& value,
+                    absl::string_view separator) {
   return strings_internal::JoinAlgorithm(value, separator, AlphaNumFormatter());
 }
 
-}  // inline namespace lts_2018_12_18
+}  // inline namespace lts_2019_08_08
 }  // namespace absl
 
 #endif  // ABSL_STRINGS_STR_JOIN_H_