@foreach
Description:
Calls the given function for each of the key/value pairs in this.
The function is passed the key and value of each pair, and the given user_data parameter. this may not be modified while iterating over it.
Parameters:
| this |
a QuarkList structure. |
| func |
the function to call for each key/value pair |
| user_data |
user data to pass to the function |