Changes imported from Abseil "staging" branch:

  - b527a3e4b36b644ac424e3c525b1cd393f6f6c40 Fix some typos in the usage examples by Jorg Brown <jorg@google.com>
  - 82be4a9adf3bb0ddafc0d46274969c99afffe870 Fix typo in optional.h comment. by Abseil Team <absl-team@google.com>
  - d6ee63bf8fc51fba074c23b33cebc28c808d7f07 Remove internal-only identifiers from code. by Daniel Katz <katzdm@google.com>
  - f9c3ad2f0d73f53b21603638af8b4bed636e79f4 Use easier understandable names for absl::StartsWith and ... by Abseil Team <absl-team@google.com>
  - 7c16c14fefee89c927b8789d6043c4691bcffc9b Add -Wno-missing-prototypes back to the LLVM copts. by Derek Mauro <dmauro@google.com>
  - 2f4b7d2e50c7023240242f1e15db60ccd7e8768d IWYU | absl/strings by Juemin Yang <jueminyang@google.com>
  - a99cbcc1daa34a2d6a2bb26de275e05173cc77e9 IWYU | absl/type by Juemin Yang <jueminyang@google.com>
  - 12e1146d0fc76c071d7e0ebaabb62f0a984fae66 Use LLVM_FLAGS and LLVM_TEST_FLAGS when --compiler=llvm. by Derek Mauro <dmauro@google.com>
  - cd6bea616abda558d0bace5bd77455662a233688 IWYU | absl/debugging by Juemin Yang <jueminyang@google.com>
  - d9a7382e59d46a8581b6b7a31cd5a48bb89326e9 IWYU | absl/synchronization by Juemin Yang <jueminyang@google.com>
  - 07ec7d6d5a4a666f4183c5d0ed9c342baa7b24bc IWYU | absl/numeric by Juemin Yang <jueminyang@google.com>
  - 12bfe40051f4270f8707e191af5652f83f2f750c Remove the RoundTrip{Float,Double}ToBuffer routines from ... by Jorg Brown <jorg@google.com>
  - eeb4fd67c9d97f66cb9475c3c5e51ab132f1c810 Adds conversion functions for converting between absl/tim... by Greg Miller <jgm@google.com>
  - 59a2108d05d4ea85dc5cc11e49b2cd2335d4295a Change Substitute to use %.6g formatting rather than 15/1... by Jorg Brown <jorg@google.com>
  - 394becb48e0fcd161642cdaac5120d32567e0ef8 IWYU | absl/meta by Juemin Yang <jueminyang@google.com>
  - 1e5da6e8da336699b2469dcf6dda025b9b0ec4c9 Rewrite atomic_hook.h to not use std::atomic<T*> under Wi... by Greg Falcon <gfalcon@google.com>

GitOrigin-RevId: b527a3e4b36b644ac424e3c525b1cd393f6f6c40
Change-Id: I14e331d91c956ef045ac7927091a9f179716de0c

1 files changed, 9 insertions, 7 deletions

diff --git a/absl/strings/substitute.h b/absl/strings/substitute.h
index 5d6bfd90c2fb..3fc4ac4cdcc4 100644
--- a/absl/strings/substitute.h
+++ b/absl/strings/substitute.h
@@ -73,7 +73,7 @@
 //   * calls for a position argument which is not provided,
 //     e.g. Substitute("Hello $2", "world"), or
 //   * specifies a non-digit, non-$ character after an unescaped $ character,
-//     e.g. "Hello %f".
+//     e.g. "Hello $f".
 // In debug mode, i.e. #ifndef NDEBUG, such errors terminate the program.
 
 #ifndef ABSL_STRINGS_SUBSTITUTE_H_
@@ -149,9 +149,11 @@ class Arg {
       : piece_(scratch_,
                numbers_internal::FastIntToBuffer(value, scratch_) - scratch_) {}
   Arg(float value)  // NOLINT(runtime/explicit)
-      : piece_(numbers_internal::RoundTripFloatToBuffer(value, scratch_)) {}
+      : piece_(scratch_, numbers_internal::SixDigitsToBuffer(value, scratch_)) {
+  }
   Arg(double value)  // NOLINT(runtime/explicit)
-      : piece_(numbers_internal::RoundTripDoubleToBuffer(value, scratch_)) {}
+      : piece_(scratch_, numbers_internal::SixDigitsToBuffer(value, scratch_)) {
+  }
   Arg(bool value)  // NOLINT(runtime/explicit)
       : piece_(value ? "true" : "false") {}
   // `void*` values, with the exception of `char*`, are printed as
@@ -211,9 +213,9 @@ constexpr int PlaceholderBitmask(const char* format) {
 //
 // Example:
 //  template <typename... Args>
-//  void VarMsg(std::string* boilerplate, const std::string& format,
+//  void VarMsg(std::string* boilerplate, absl::string_view format,
 //      const Args&... args) {
-//    std::string s = absl::SubstituteAndAppend(boilerplate, format, args...)";
+//    absl::SubstituteAndAppend(boilerplate, format, args...);
 //  }
 //
 inline void SubstituteAndAppend(std::string* output, absl::string_view format) {
@@ -458,8 +460,8 @@ void SubstituteAndAppend(
 //
 // Example:
 //  template <typename... Args>
-//  void VarMsg(const std::string& format, const Args&... args) {
-//    std::string s = absl::Substitute(format, args...)";
+//  void VarMsg(absl::string_view format, const Args&... args) {
+//    std::string s = absl::Substitute(format, args...);
 
 ABSL_MUST_USE_RESULT inline std::string Substitute(absl::string_view format) {
   std::string result;