Occurrence<T extends Object> class

Represents a value and its frequency count within a collection.

Used by mostOccurrences() and leastOccurrences() extension methods to return both the value and how many times it appears.

Example:

final result = [1, 2, 2, 3].mostOccurrences();
print(result?.value); // 2
print(result?.count); // 2

Annotations

• @immutable

Constructors

Occurrence(T value, int count)

Creates an Occurrence with the given value and count. Audited: 2026-06-12 11:26 EDT

const

Properties

count → int

How many times value appears in the collection.

final

hashCode → int

The hash code for this object.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

value → T

The value that was found in the collection.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

override