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Export of internal Abseil changes

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6a60bc6c79a3069f49986c2567dd51d2792f8ec1 by Abseil Team <absl-team@google.com>:

Internal cleanup

PiperOrigin-RevId: 311210039

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a1049de1dd9071efa3a3dda1c3f25ab578b23e27 by Laramie Leavitt <lar@google.com>:

Internal change

PiperOrigin-RevId: 311188627

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c2ccddd1cd89ef9d79c35bbe9e1813164db27031 by Matt Kulukundis <kfm@google.com>:

Migrate time parsing/formatting to string_view.

- make a copy before handing to cctz but handle local cases without

PiperOrigin-RevId: 311009254

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d91d0cd68f3672a727ff76ee43f2da5226673d60 by Gennadiy Rozental <rogeeff@google.com>:

Eliminate public method absl::Flag<T>::IsSpecfiedOnCommandLine. This interface was never intended to be supported. Prefer to react to the current value of flag.

PiperOrigin-RevId: 310991916

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8ad41e7ec24f43598ed232545314117802e7895c by Gennadiy Rozental <rogeeff@google.com>:

Internal change

PiperOrigin-RevId: 310757743

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f091f77a13ce9481218cb356f8b4ceb49c1530f9 by Jorg Brown <jorg@google.com>:

Change #include of <iostream> to <iosfwd> from absl/strings/cord.h

PiperOrigin-RevId: 310657413

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39419418af6be4ac9b9204ebe2c7a92a6c3a0bc9 by Derek Mauro <dmauro@google.com>:

Internal change

PiperOrigin-RevId: 310615554
GitOrigin-RevId: 6a60bc6c79a3069f49986c2567dd51d2792f8ec1
Change-Id: I57dd35424269d67740272c4f88b2de54d8022cb2
This commit is contained in:
Abseil Team 2020-05-12 15:05:26 -07:00 • committed by Andy Getz
parent c45d1c09d5
commit cbfd0f0fe5
18 changed files with 279 additions and 126 deletions
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26
absl/base/optimization.h
View file

@ -212,4 +212,30 @@
} while (0)
#endif
// ABSL_INTERNAL_UNIQUE_SMALL_NAME(cond)
// This macro forces small unique name on a static file level symbols like
// static local variables or static functions. This is intended to be used in
// macro definitions to optimize the cost of generated code. Do NOT use it on
// symbols exported from translation unit since it may casue a link time
// conflict.
//
// Example:
//
// #define MY_MACRO(txt)
// namespace {
// char VeryVeryLongVarName[] ABSL_INTERNAL_UNIQUE_SMALL_NAME() = txt;
// const char* VeryVeryLongFuncName() ABSL_INTERNAL_UNIQUE_SMALL_NAME();
// const char* VeryVeryLongFuncName() { return txt; }
// }
//
#if defined(__GNUC__)
#define ABSL_INTERNAL_UNIQUE_SMALL_NAME2(x) #x
#define ABSL_INTERNAL_UNIQUE_SMALL_NAME1(x) ABSL_INTERNAL_UNIQUE_SMALL_NAME2(x)
#define ABSL_INTERNAL_UNIQUE_SMALL_NAME() \
asm(ABSL_INTERNAL_UNIQUE_SMALL_NAME1(.absl.__COUNTER__))
#else
#define ABSL_INTERNAL_UNIQUE_SMALL_NAME()
#endif
#endif // ABSL_BASE_OPTIMIZATION_H_