Hi,

In message "Hash suprise"
    on 02/10/09, Torsten R?ger <torsten.rueger / firsthop.com> writes:

|I was trying to modify hash keys (strings) yesterday, and found to my 
|surprise that they are frozen. Why ?

1. You shouldn't modify hash key in place.

2. String used as hash keys most often, so detecting a bad syle is
   useful.

							matz.