Skip to content
  • Categories
  • Recent
  • Tags
  • Popular
  • Users
  • Groups
  • Search
  • Get Qt Extensions
  • Unsolved
Collapse
Brand Logo
  1. Home
  2. Qt Development
  3. General and Desktop
  4. QList erase problem
Qt 6.11 is out! See what's new in the release blog

QList erase problem

Scheduled Pinned Locked Moved General and Desktop
4 Posts 2 Posters 1.6k Views 1 Watching
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • 8 Offline
    8 Offline
    8majkel8
    wrote on last edited by
    #1

    Just an example.

    @
    QVariantList list; //initialy empty
    QVariantList iterator curr = list.begin(); //could be list.end();

    list.erase(curr+1, QVariantList::end());
    //results in actually adding undefined element
    @

    1 Reply Last reply
    0
    • M Offline
      M Offline
      mcosta
      wrote on last edited by
      #2

      Hi,

      what's the problem??
      You're doing a WRONG usage of QList API: before to use curr you MUST ensure that it is a valid iterator

      Once your problem is solved don't forget to:

      • Mark the thread as SOLVED using the Topic Tool menu
      • Vote up the answer(s) that helped you to solve the issue

      You can embed images using (http://imgur.com/) or (http://postimage.org/)

      1 Reply Last reply
      0
      • 8 Offline
        8 Offline
        8majkel8
        wrote on last edited by
        #3

        yes i know ... but i think qlist should perform some simple checks (applications would be more stable that way).

        1 Reply Last reply
        0
        • M Offline
          M Offline
          mcosta
          wrote on last edited by
          #4

          Sincerely I don't agree with you.
          Applications would be more stable if developers would write good code; C++ isn't Java or VB, developers must write safe code and they'll have fast applications

          Once your problem is solved don't forget to:

          • Mark the thread as SOLVED using the Topic Tool menu
          • Vote up the answer(s) that helped you to solve the issue

          You can embed images using (http://imgur.com/) or (http://postimage.org/)

          1 Reply Last reply
          0

          • Login

          • Login or register to search.
          • First post
            Last post
          0
          • Categories
          • Recent
          • Tags
          • Popular
          • Users
          • Groups
          • Search
          • Get Qt Extensions
          • Unsolved