8 #define FLAG(name) FLAGS_##name  argument
11 #define DECLARE_bool(name) extern bool FLAG(name)  argument
12 #define DECLARE_int32(name) extern int32_t FLAG(name)  argument
13 #define DECLARE_int64(name) extern int64_t FLAG(name)  argument
14 #define DECLARE_double(name) extern double FLAG(name)  argument
15 #define DECLARE_string(name) extern std::string FLAG(name)  argument
18 #define DEFINE_bool(name, default_val, doc) bool FLAG(name) = (default_val)  argument
19 #define DEFINE_int32(name, default_val, doc) int32_t FLAG(name) = (default_val)  argument
20 #define DEFINE_int64(name, default_val, doc) int64_t FLAG(name) = (default_val)  argument
21 #define DEFINE_double(name, default_val, doc) double FLAG(name) = (default_val)  argument
22 #define DEFINE_string(name, default_val, doc) \  argument