description

# compare method Null safety

int compare (

1. Comparable a,
2. Comparable b

)

A Comparator that compares one comparable to another.

It returns the result of `a.compareTo(b)`.

This utility function is used as the default comparator for ordering collections, for example in the List sort function.

## Implementation

    static int compare(Comparable a, Comparable b) => a.compareTo(b);