Advertisement
Help Keep Boards Alive. Support us by going ad free today. See here: https://subscriptions.boards.ie/.
If we do not hit our goal we will be forced to close the site.

Current status: https://keepboardsalive.com/

Annual subs are best for most impact. If you are still undecided on going Ad Free - you can also donate using the Paypal Donate option. All contribution helps. Thank you.
https://www.boards.ie/group/1878-subscribers-forum

Private Group for paid up members of Boards.ie. Join the club.

C++ question is it being incremented ????

  • 27-04-2006 07:00PM
    #1
    Elfman
    Registered Users, Registered Users 2 Posts: 221 ✭✭


    I was look through a piece of c++ code and i came across this :

    if(num++==10)

    in this code is num beiong inccremented orr will it just test the if ? also will num be incremented even if the if staement is not true ??

    all help apriciated

    -Elfman


Comments

  • #2
    bpmurray
    Registered Users, Registered Users 2 Posts: 1,275 ✭✭✭bpmurray


    Yes, it's incremented, but after the test. If it's parenthesised, it's probably easier to see: 
    if ((num++) == 10)

    Remember that "var++" is incremented after everything, while "++var" is incremented before.


  • #3
    bpmurray
    Registered Users, Registered Users 2 Posts: 1,275 ✭✭✭bpmurray


    Yes, it's incremented, but after the test. If it's parenthesised, it's probably easier to see: 
    if ((num++) == 10)

    Remember that "var++" is incremented after everything, while "++var" is incremented before.


Advertisement