Changing a closed-over value

Category: Python - Education

In most languages with closures, it is possible to change a closed-over value and have the change visible in other closures which share a reference to the same variable. Python's syntax makes this impossible. Putting your changeable values inside a mutable object like a list-- it may occasionally happen that you wish you could change the closed-over values, found in "cell" objects in a function's func_closure tuple. This script will demonstrate a way to actually change that value, so that functions which also close over that value (share a reference to the same cell) will see the change. Date: 19 April, 2012


Closed-Over Value - Cell Objects - Debugging Script - Closed-Over - Value

Homepage: http://code.activestate.com/

Developer: code.activestate.com

License: Freeware

Operating System: All

Add a Comment

all are required fields

     
What do you think of this resource?

Select Your Rate:

Votes:0

 

Related Scripts Download

This function makes it easier to use the timeit module from the interactive interpreter.

developer Developer: code.activestate.com
license License: Freeware
operating systems Operating System: All


This script helps you in adding new format specifiers to the logging module.

developer Developer: code.activestate.com
license License: Freeware
operating systems Operating System: All


This script is a simple embedded multiline python interpreter built around raw_input().

developer Developer: code.activestate.com
license License: Freeware
operating systems Operating System: All


This script acts like a stepping debugger to diagnose and fix your programs.

developer Developer: code.activestate.com
license License: Freeware
operating systems Operating System: All


Since Python 2.

developer Developer: code.activestate.com
license License: Freeware
operating systems Operating System: All


This script allows a user to place debug messages, error messages and standard messages throughout a program.

developer Developer: code.activestate.com
license License: Freeware
operating systems Operating System: All


You now that there is garbage in your program but you don't know what exactly.

developer Developer: code.activestate.com
license License: Freeware
operating systems Operating System: All


The os.

developer Developer: code.activestate.com
license License: Freeware
operating systems Operating System: All


This script contains efficient recursive functions for generating combinations of specified length from a specified string.

developer Developer: code.activestate.com
license License: Freeware
operating systems Operating System: All