diff options
| author |  Abseil Team <absl-team@google.com> | 2019-05-16 07:40:15 -0700 |
|---|---|---|
| committer |  Andy Soffer <asoffer@google.com> | 2019-05-16 15:48:51 -0400 |
| commit | daf381e8535a1f1f1b8a75966a74e7cca63dee89 (patch) | |
| tree | d2914ddce7cd62d2e9696e5448dd40884c4d3c26 /absl/strings/substitute.h | |
| parent | fa00c321073c7ea40a4fc3dfc8a06309eae3d025 (diff) | |
Export of internal Abseil changes.
--
6fca451d74e509671f0996e15ea05008f73c9957 by Eric Fiselier <ericwf@google.com>:
Support vector<bool>::reference and ::const_reference
in absl::Substitute.
PiperOrigin-RevId: 248524270
--
a4b298c74acb8ae0688ed681052593623d8021c7 by Abseil Team <absl-team@google.com>:
Clarify that a static `SpinLock` using the `LinkerInitialized` constructor is
initialized in non-cooperative mode.
PiperOrigin-RevId: 248386381
GitOrigin-RevId: 6fca451d74e509671f0996e15ea05008f73c9957
Change-Id: I13d54c2034695e7677170cdc7b86384b7d7d9cb5
Diffstat (limited to 'absl/strings/substitute.h')
| -rw-r--r-- | absl/strings/substitute.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/absl/strings/substitute.h b/absl/strings/substitute.h index 507bc4f..32dec30 100644 --- a/absl/strings/substitute.h +++ b/absl/strings/substitute.h @@ -69,6 +69,8 @@ #include <cstring> #include <string> +#include <type_traits> +#include <vector> #include "absl/base/macros.h" #include "absl/base/port.h" @@ -151,6 +153,17 @@ class Arg { Arg(Hex hex); // NOLINT(runtime/explicit) Arg(Dec dec); // NOLINT(runtime/explicit) + // vector<bool>::reference and const_reference require special help to + // convert to `AlphaNum` because it requires two user defined conversions. + template <typename T, + absl::enable_if_t< + std::is_class<T>::value && + (std::is_same<T, std::vector<bool>::reference>::value || + std::is_same<T, std::vector<bool>::const_reference>::value)>* = + nullptr> + Arg(T value) // NOLINT(google-explicit-constructor) + : Arg(static_cast<bool>(value)) {} + // `void*` values, with the exception of `char*`, are printed as // "0x<hex value>". However, in the case of `nullptr`, "NULL" is printed. Arg(const void* value); // NOLINT(runtime/explicit) |