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Export of internal Abseil changes

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09c1e7877210fe85c43631538303af801c233e89 by Gennadiy Rozental <rogeeff@google.com>:

Change CordRep::length to size_t to be compatible with ChunkIterator.

PiperOrigin-RevId: 297901255

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226d5e79fb4e20fb09d75f034624d5be770f4ece by Derek Mauro <dmauro@google.com>:

Makes absl::string_view::substr constexpr for std::string_view compatibility
Fixes #627

PiperOrigin-RevId: 297872778

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851aa24a22d0ba5552098bf7e5735c95e4a8d4f7 by Abseil Team <absl-team@google.com>:

Reformat one line.

PiperOrigin-RevId: 297839574

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4f449c462583797455375fa6f1365a6b2cfa7e0a by Benjamin Barenblat <bbaren@google.com>:

Internal change

PiperOrigin-RevId: 297677173

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2d41a250e9a8f272946bc3262463e4025d88fba3 by Abseil Team <absl-team@google.com>:

Internal change

PiperOrigin-RevId: 297537076

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6e7fbe1e90999a58556d41955bef44033c61876c by Gennadiy Rozental <rogeeff@google.com>:

Internal change

PiperOrigin-RevId: 297376994

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5acf79338191b31cec158b06cd96ca8dfa3e81fe by Derek Mauro <dmauro@google.com>:

Add a debug-mode bounds-check on absl::Span::operator[].

PiperOrigin-RevId: 297355826

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1c540d06a56c7e92bb07b90f16b4e00b014ef18f by CJ Johnson <johnsoncj@google.com>:

Adding new LTS to the list

PiperOrigin-RevId: 297235265

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696ce48bea6927436ff89f59b887e5869b1b0f38 by Derek Mauro <dmauro@google.com>:

Fix build on FreeBSD/powerpc (implement UnscaledCycleClock)

Merges/Fixes GitHub #616

PiperOrigin-RevId: 297188640
GitOrigin-RevId: 09c1e7877210fe85c43631538303af801c233e89
Change-Id: I5d97b16bb6378792d2fcf7d29080cca18aa7729a
This commit is contained in:
Abseil Team 2020-02-28 12:18:28 -08:00 • committed by CJ Johnson
parent 0033c9ea91
commit bcefbdcdf6
11 changed files with 62 additions and 32 deletions
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11
absl/strings/string_view.h
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@ -382,11 +382,12 @@ class string_view {
// Returns a "substring" of the `string_view` (at offset `pos` and length
// `n`) as another string_view. This function throws `std::out_of_bounds` if
// `pos > size`.
string_view substr(size_type pos, size_type n = npos) const {
if (ABSL_PREDICT_FALSE(pos > length_))
base_internal::ThrowStdOutOfRange("absl::string_view::substr");
n = (std::min)(n, length_ - pos);
return string_view(ptr_ + pos, n);
constexpr string_view substr(size_type pos, size_type n = npos) const {
return ABSL_PREDICT_FALSE(pos > length_)
? (base_internal::ThrowStdOutOfRange(
"absl::string_view::substr"),
string_view())
: string_view(ptr_ + pos, Min(n, length_ - pos));
}
// string_view::compare()