From: eregontp@... Date: 2015-06-06T20:06:33+00:00 Subject: [ruby-core:69481] [Ruby trunk - Bug #11230] [Open] Should rb_struct_s_members() be public API? Issue #11230 has been reported by Benoit Daloze. ---------------------------------------- Bug #11230: Should rb_struct_s_members() be public API? https://bugs.ruby-lang.org/issues/11230 * Author: Benoit Daloze * Status: Open * Priority: Normal * Assignee: * ruby -v: ruby 2.2.2p95 (2015-04-13 revision 50295) [x86_64-linux] * Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN ---------------------------------------- rb_struct_s_members() is declared in include/ruby/intern.h. However it seems this is a fairly internal API as it returns an hidden Array. For instance, there was a try to specify the behavior in https://github.com/rubinius/rubinius/commit/2642a30c57973987d2a7b7e85b3ce1e78100a31b but that produces only erratic behavior on MRI because that usage is not intended. A valid usage might be: static VALUE get_struct_member(VALUE self, VALUE obj, VALUE i) { return RARRAY_AREF(rb_struct_s_members(obj), NUM2INT(i)); } p get_struct_member(Struct.new(:a, :bb), 1) But do we need such access and is it worth exposing a potentially dangerous function like this? -- https://bugs.ruby-lang.org/