RARRAY_LEN         44 ext/json/ext/generator/unicode.h #define RARRAY_LEN(ARRAY) RARRAY(ARRAY)->len
RARRAY_LEN         49 ext/json/ext/parser/unicode.h #define RARRAY_LEN(ARRAY) RARRAY(ARRAY)->len
RARRAY_LEN        625 include/ruby/ruby.h #define RARRAY_LEN(a) \