From: Adam Prescott <adam@...>
Date: 2011-08-27T06:49:33+09:00
Subject: [ruby-core:39129] Re: [Ruby 1.9 - Bug #5235][Open] Ruby fails to freeze Strings and Numerics.

--00151747619c32dce504ab6f85da
Content-Type: text/plain; charset=UTF-8

This is not a bug. `x += 1` is sugar for `x = x + 1`, and x + 1 does not
modify the receiver. Similar for `s += "a"`.

s = ""
s.freeze
s.replace("nothing") #=> RuntimeError: can't modify frozen string

--00151747619c32dce504ab6f85da
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

This is not a bug. `x +=3D 1` is sugar for `x =3D x + 1`, and x + 1 does no=
t modify the receiver. Similar for `s +=3D &quot;a&quot;`.<div><br></div><d=
iv>s =3D &quot;&quot;</div><div>s.freeze</div><div>s.replace(&quot;nothing&=
quot;) #=3D&gt;=C2=A0RuntimeError: can&#39;t modify frozen string</div>


--00151747619c32dce504ab6f85da--