1.. title:: clang-tidy - google-global-names-in-headers 2 3google-global-names-in-headers 4============================== 5 6Flag global namespace pollution in header files. Right now it only triggers on 7``using`` declarations and directives. 8 9The relevant style guide section is 10https://google.github.io/styleguide/cppguide.html#Namespaces. 11 12Options 13------- 14 15.. option:: HeaderFileExtensions 16 17 A comma-separated list of filename extensions of header files (the filename 18 extensions should not contain "." prefix). Default is "h". 19 For header files without an extension, use an empty string (if there are no 20 other desired extensions) or leave an empty element in the list. e.g., 21 "h,hh,hpp,hxx," (note the trailing comma). 22