diff options
Diffstat (limited to 'absl/base/macros.h')
| -rw-r--r-- | absl/base/macros.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/absl/base/macros.h b/absl/base/macros.h index 114a7be1..afa30300 100644 --- a/absl/base/macros.h +++ b/absl/base/macros.h @@ -36,21 +36,20 @@ // ABSL_ARRAYSIZE() // -// Returns the # of elements in an array as a compile-time constant, which can -// be used in defining new arrays. If you use this macro on a pointer by +// Returns the number of elements in an array as a compile-time constant, which +// can be used in defining new arrays. If you use this macro on a pointer by // mistake, you will get a compile-time error. -// -// Note: this template function declaration is used in defining arraysize. -// Note that the function doesn't need an implementation, as we only -// use its type. +#define ABSL_ARRAYSIZE(array) \ + (sizeof(::absl::macros_internal::ArraySizeHelper(array))) + namespace absl { namespace macros_internal { +// Note: this internal template function declaration is used by ABSL_ARRAYSIZE. +// The function doesn't need a definition, as we only use its type. template <typename T, size_t N> auto ArraySizeHelper(const T (&array)[N]) -> char (&)[N]; } // namespace macros_internal } // namespace absl -#define ABSL_ARRAYSIZE(array) \ - (sizeof(::absl::macros_internal::ArraySizeHelper(array))) // kLinkerInitialized // |