The Frequency
trait represents types that keep track of the
observed counts of items. The HashMapFrequency
type
is a frequency counter backed by a HashMap
.
Usage
Add frequency
and frequency-hashmap
to your Cargo.toml
:
[dependencies]
frequency = "^1.0.0"
frequency-hashmap = "^1.0.0"
Import both Frequency
and
HashMapFrequency
:
extern crate frequency;
extern crate frequency_hashmap;
use frequency::Frequency;
use frequency_hashmap::HashMapFrequency;