Updating the Phone Book Application II
Explore how to use Go's sort.Interface to implement custom sorting for a phone book application. Understand how to define sorting criteria with Len, Less, and Swap methods and apply them to organize entries efficiently. This lesson guides you in handling tie-breakers when sorting multi-field data dynamically.
We'll cover the following...
We'll cover the following...
Now that we know where to get and write our data, it is time to learn how to sort it using sort.Interface.
Using the sort package
The first thing to decide when trying to sort data is the field that is going to be used for sorting. After that, we need to decide what we are going to do when two or more records have the same value in the main field used for sorting. ... ...