[#8815] Segfault in libc strlen, via rb_str_new2 — "Sean E. Russell" <ser@...>

Howdy,

12 messages 2006/09/09
[#8817] Re: Segfault in libc strlen, via rb_str_new2 — Eric Hodel <drbrain@...7.net> 2006/09/09

On Sep 8, 2006, at 10:10 PM, Sean E. Russell wrote:

Re: Literal inconsistency

From: Yukihiro Matsumoto <matz@...>
Date: 2006-09-04 14:21:55 UTC
List: ruby-core #8788
Hi,

In message "Re: Literal inconsistency"
    on Mon, 4 Sep 2006 22:54:36 +0900, Calamitas <calamitates@gmail.com> writes:

|This surprised me today:
|
|  irb(main):014:0> 2.times { puts "hello".object_id }
|  -606413918
|  -606413938
|  => 2
|  irb(main):015:0> 2.times { puts /hello/.object_id }
|  -606420168
|  -606420168
|  => 2
|
|The regexp could be compiled once while parsing and a new Regexp
|object could be created on each execution with a speed hit comparable
|to string literals (which I suppose is acceptable.)

Since Ruby strings are mutable, string literals creates new string
objects each time.

							matz.

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