From: Nobuyoshi Nakada <nobu@...>
Date: 2009-03-09T09:51:03+09:00
Subject: [ruby-core:22766] Re: [Feature #1256] Add constant TAILRECURSION to let a program recognize if tail recursion optimization is implemented

Hi,

At Mon, 9 Mar 2009 02:41:55 +0900,
Wolfgang N�dasi-Donner wrote in [ruby-core:22748]:
> Tail recursion optimization is an implementation detail and
> not a language feature in general. I propose to supply a
> constant TAILRECURSION, which will be set to "true" if this
> feature is implemented, otherwise "false".

RubyVM::InstructionSequence.compile_option[:tailcall_optimization]

-- 
Nobu Nakada