Struct FrequencyTable 

pub struct FrequencyTable<T: Hash + Eq + Clone> { /* private fields */ }

Tracks the frequency of items.

Implementations

impl<T: Hash + Eq + Clone> FrequencyTable<T>

pub fn new() -> Self

Creates a new empty frequency table.

pub fn record(&mut self, item: T)

Records one occurrence of item.

pub fn freq(&self, item: &T) -> u64

Returns the frequency of item.

pub fn most_frequent(&self) -> Option<(&T, u64)>

Returns the item with the highest frequency.

pub fn total(&self) -> u64

Returns the total number of recordings.

pub fn distinct(&self) -> usize

Returns the number of distinct items.

Trait Implementations

impl<T: Hash + Eq + Clone> Default for FrequencyTable<T>

fn default() -> Self

Returns the “default value” for a type.