On 8/12/07, <b class="gmail_sendername">Ben Finney</b> <<a href="mailto:bignose+hates-spam@benfinney.id.au">bignose+hates-spam@benfinney.id.au</a>> wrote:<div><span class="gmail_quote"></span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Dick Moores <<a href="mailto:rdm@rcblue.com">rdm@rcblue.com</a>> writes:<br><br>> At 06:13 PM 8/9/2007, Ben Finney wrote:<br>> >it's entirely left to the language implementation which<br>> >optimisation trade-offs to make, and the language user (that's you
<br>> >and I) should *not* expect any particular behaviour to hold between<br>> >different implementations.<br>><br>> I'm not clear on the meaning of "implementations" here. Would 2.5<br>> for Windows, Mac, Linux all be different implementations? Would Iron
<br>> Python be another? ActivePython?<br><br>For the purpose of the above statement, you should consider even the<br>same Python on two different machines to be "different<br>implementations". As a programmer writing Python code, you should not
<br>expect any "implementation-dependent" behaviour to operate in any<br>particular way.</blockquote><div><br>So would a programmer EVER use "is" in a script?<br><br>Dick <br></div></div><br>