From: Shugo Maeda <shugo@...>
Date: 2011-11-15T00:36:34+09:00
Subject: [ruby-core:41023] Re: [ruby-trunk - Feature #5583] Optionally typing

Hi,

2011/11/15 Thomas Sawyer <transfire@gmail.com>:
> (a) plenty of other ways to define syntax. maybe best way is to separate it from def since it is optional, e.g.
>
> �sig foo(String)
>
> �def foo(string)
> � �...
> �end

I prefer method annotations to special syntax.

> (b) not sure how it can honor duck typing. i think the whole idea is to (optionally) roast the duck!

FYI, Scala supports statically checked duck typing.  See
http://markthomas.info/blog/?p=66.

-- 
Shugo Maeda