3033     const char* needle_expr, const char* haystack_expr,  in IsSubstringImpl()  argument
3044       << "a substring of " << haystack_expr << "\n"  in IsSubstringImpl()
3055     const char* needle_expr, const char* haystack_expr,  in IsSubstring()  argument
3057   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
3061     const char* needle_expr, const char* haystack_expr,  in IsSubstring()  argument
3063   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
3067     const char* needle_expr, const char* haystack_expr,  in IsNotSubstring()  argument
3069   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
3073     const char* needle_expr, const char* haystack_expr,  in IsNotSubstring()  argument
3075   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
3079     const char* needle_expr, const char* haystack_expr,  in IsSubstring()  argument
3081   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
3085     const char* needle_expr, const char* haystack_expr,  in IsNotSubstring()  argument
3087   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()
3092     const char* needle_expr, const char* haystack_expr,  in IsSubstring()  argument
3094   return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);  in IsSubstring()
3098     const char* needle_expr, const char* haystack_expr,  in IsNotSubstring()  argument
3100   return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);  in IsNotSubstring()