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Diffstat (limited to 'clang/docs/LanguageExtensions.rst')
| -rw-r--r-- | clang/docs/LanguageExtensions.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst index 865dd30bbeb..bf41ef5feaf 100644 --- a/clang/docs/LanguageExtensions.rst +++ b/clang/docs/LanguageExtensions.rst @@ -458,6 +458,13 @@ features are enabled. The ``__has_extension`` macro can be used to query if language features are available as an extension when compiling for a standard which does not provide them. The features which can be tested are listed here. +Since Clang 3.4, the C++ SD-6 feature test macros are also supported. +These are macros with names of the form ``__cpp_<feature_name>``, and are +intended to be a portable way to query the supported features of the compiler. +See `the C++ status page <http://clang.llvm.org/cxx_status.html#ts>`_ for +information on the version of SD-6 supported by each Clang release, and the +macros provided by that revision of the recommendations. + C++98 ----- @@ -751,6 +758,13 @@ Use ``__has_feature(cxx_aggregate_nsdmi)`` or ``__has_extension(cxx_aggregate_nsdmi)`` to determine if support for default initializers in aggregate members is enabled. +C++1y digit separators +^^^^^^^^^^^^^^^^^^^^^^ + +Use ``__cpp_digit_separators`` to determine if support for digit separators +using single quotes (for instance, ``10'000``) is enabled. At this time, there +is no corresponding ``__has_feature`` name + C++1y generalized lambda capture ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
