rb_sym2id 371 include/ruby/ruby.h ID rb_sym2id(VALUE); rb_sym2id 377 include/ruby/ruby.h #define RB_SYM2ID(x) (rb_sym2id(x)) rb_sym2id 153 symbol.c id = sym ? rb_sym2id(sym) : intern_str(str, 1); rb_sym2id 562 symbol.c if (sym) return rb_sym2id(sym);