Changes imported from Abseil "staging" branch:

- 06abebb2bdb201c572da209fc7f781d6bd774d6b Documentation fixes for `absl::optional`. by Abseil Team <absl-team@google.com>
  - 42adc4c4daade2e070dc337e94d8851a1fd4bead  Rolling back the previous change because `__has_warning`... by Xiaoyi Zhang <zhangxy@google.com>
  - 02a42cbaa97d82ee7942bc498538359185d75087 Remove literal UTF8 strings in abseil code to avoid file ... by Jon Cohen <cohenjon@google.com>

GitOrigin-RevId: 06abebb2bdb201c572da209fc7f781d6bd774d6b
Change-Id: I4f4659c2e7ca6fc585b6c089bcf20ca61aced75d
This commit is contained in:
Abseil Team 2018-01-31 20:34:59 -08:00 committed by jueminyang
parent 8a401394b8
commit 0ec11bad6f
7 changed files with 27 additions and 39 deletions

View file

@ -492,11 +492,11 @@ class optional : private optional_internal::optional_data<T>,
// Constructors
// Constructs a default-constructed `optional` holding the empty value, NOT a
// default constructed `T`.
// Constructs an `optional` holding an empty value, NOT a default constructed
// `T`.
constexpr optional() noexcept {}
// Construct an `optional` initialized with `nullopt` to hold an empty value.
// Constructs an `optional` initialized with `nullopt` to hold an empty value.
constexpr optional(nullopt_t) noexcept {} // NOLINT(runtime/explicit)
// Copy constructor, standard semantics