RSTRUCT_EMBED_LEN_MASK 1179 include/ruby/ruby.h #define RSTRUCT_EMBED_LEN_MASK RSTRUCT_EMBED_LEN_MASK RSTRUCT_EMBED_LEN_MASK 1183 include/ruby/ruby.h RSTRUCT_EMBED_LEN_MASK = (RUBY_FL_USER2|RUBY_FL_USER1),