Summercool <[EMAIL PROTECTED]> writes: > I wonder which language allows you to change an argument's value?
[...] > What about Java and Perl? Perl will let you change the value of a passed-in object directly. Others have already answered about Java. > is there any way to prevent a function from changing the argument's > value? Make a copy of the object, and pass in the copy. Without making a copy, of the languages I know, C++ comes closest to supporting an unmodifiable argument passed by reference. Using a const reference or const pointer indicates that the reference won't be changed, but even that can be subverted by the function's author with casting. -----Scott. -- http://mail.python.org/mailman/listinfo/python-list