Class ReadOnlyCollectionBase<T>Abstract

Base class for implementing an internally modifiable, eternally read-only collection.

Type Parameters

  • T

Hierarchy

Implements

Constructors

Properties

_equalityComparer: EqualityComparison<T> = areEqual

Accessors

  • get version(): number
  • The version number used to track changes.

    Returns

    Returns number

Methods

  • Applies a reducer function to all the elements in this sequence. The first entry is used as the initial accumulator value, and the specified function is used to select the result value.

    Throws

    If the sequence is empty.

    Returns

    Type Parameters

    • T

    Parameters

    • reduction: ((previous: T, current: T, index: number) => T)
        • (previous: T, current: T, index: number): T
        • Parameters

          • previous: T
          • current: T
          • index: number

          Returns T

    Returns T

  • Applies a reducer function to all the elements in this sequence. The specified seed value is used as the initial accumulator value, and the specified function is used to select the result value.

    Returns

    Type Parameters

    • T

    • U

    Parameters

    • reduction: ((previous: U, current: T, index: number) => U)
        • (previous: U, current: T, index: number): U
        • Parameters

          • previous: U
          • current: T
          • index: number

          Returns U

    • initialValue: U

    Returns U

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