Merge pull request #1472 from pateldeev:iv

PiperOrigin-RevId: 539145188
Change-Id: Ic8dc8112f77ca720a8871de57ee389f15693ab00

absl/strings/BUILD.bazel

@@ -1169,6 +1169,7 @@ cc_library(
         ":strings",
         "//absl/base:config",
         "//absl/base:core_headers",
+        "//absl/container:inlined_vector",
         "//absl/functional:function_ref",
         "//absl/meta:type_traits",
         "//absl/numeric:bits",

absl/strings/CMakeLists.txt

@@ -432,6 +432,7 @@ absl_cc_library(
     absl::strings
     absl::config
     absl::core_headers
+    absl::inlined_vector
     absl::numeric_representation
     absl::type_traits
     absl::utility

absl/strings/internal/str_format/bind.h

@@ -21,6 +21,7 @@
 #include <string>
 
 #include "absl/base/port.h"
+#include "absl/container/inlined_vector.h"
 #include "absl/strings/internal/str_format/arg.h"
 #include "absl/strings/internal/str_format/checker.h"
 #include "absl/strings/internal/str_format/parser.h"
@@ -177,17 +178,7 @@ class Streamable {
  public:
   Streamable(const UntypedFormatSpecImpl& format,
              absl::Span<const FormatArgImpl> args)
-      : format_(format) {
-    if (args.size() <= ABSL_ARRAYSIZE(few_args_)) {
-      for (size_t i = 0; i < args.size(); ++i) {
-        few_args_[i] = args[i];
-      }
-      args_ = absl::MakeSpan(few_args_, args.size());
-    } else {
-      many_args_.assign(args.begin(), args.end());
-      args_ = many_args_;
-    }
-  }
+      : format_(format), args_(args.begin(), args.end()) {}
 
   std::ostream& Print(std::ostream& os) const;
 
@@ -197,12 +188,7 @@ class Streamable {
 
  private:
   const UntypedFormatSpecImpl& format_;
-  absl::Span<const FormatArgImpl> args_;
-  // if args_.size() is 4 or less:
-  FormatArgImpl few_args_[4] = {FormatArgImpl(0), FormatArgImpl(0),
-                                FormatArgImpl(0), FormatArgImpl(0)};
-  // if args_.size() is more than 4:
-  std::vector<FormatArgImpl> many_args_;
+  absl::InlinedVector<FormatArgImpl, 4> args_;
 };
 
 // for testing
@@ -211,8 +197,7 @@ std::string Summarize(UntypedFormatSpecImpl format,
 bool BindWithPack(const UnboundConversion* props,
                   absl::Span<const FormatArgImpl> pack, BoundConversion* bound);
 
-bool FormatUntyped(FormatRawSinkImpl raw_sink,
-                   UntypedFormatSpecImpl format,
+bool FormatUntyped(FormatRawSinkImpl raw_sink, UntypedFormatSpecImpl format,
                    absl::Span<const FormatArgImpl> args);
 
 std::string& AppendPack(std::string* out, UntypedFormatSpecImpl format,
@@ -231,7 +216,7 @@ int SnprintF(char* output, size_t size, UntypedFormatSpecImpl format,
 template <typename T>
 class StreamedWrapper {
  public:
-  explicit StreamedWrapper(const T& v) : v_(v) { }
+  explicit StreamedWrapper(const T& v) : v_(v) {}
 
  private:
   template <typename S>