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Diffstat (limited to 'clang/docs/Modules.rst')
| -rw-r--r-- | clang/docs/Modules.rst | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/clang/docs/Modules.rst b/clang/docs/Modules.rst index bcb71c27d45..9fb4c774874 100644 --- a/clang/docs/Modules.rst +++ b/clang/docs/Modules.rst @@ -320,9 +320,12 @@ A *requires-declaration* specifies the requirements that an importing translatio ``requires`` *feature-list* *feature-list*: - *identifier* (',' *identifier*)* + *feature* (',' *feature*)* + + *feature*: + ``!``:sub:`opt` *identifier* -The requirements clause allows specific modules or submodules to specify that they are only accessible with certain language dialects or on certain platforms. The feature list is a set of identifiers, defined below. If any of the features is not available in a given translation unit, that translation unit shall not import the module. +The requirements clause allows specific modules or submodules to specify that they are only accessible with certain language dialects or on certain platforms. The feature list is a set of identifiers, defined below. If any of the features is not available in a given translation unit, that translation unit shall not import the module. The optional ``!`` indicates that a feature is incompatible with the module. The following features are defined: |
