Function mapToValueAndChangedProperties

mapToValueAndChangedProperties<T>(): ((source) => Observable<[T, Partial<T>]>)
Maps source to source and a partial source with changed properties.

Example:
```
source: a-b-c|
output: d-e-f|
```
with

a = { a: 1 } b = { a: 2, b: 3 } c = { a: 2, b: 4 } d = [{ a: 1 }, { a: 1 }] e = [{ a: 2, b: 3 }, { a: 2, b: 3 }] f = [{ a: 2, b: 4 }, { b: 4 }]
Type Parameters
- T
Returns ((source) => Observable<[T, Partial<T>]>)
- - (source): Observable<[T, Partial<T>]>
  - Parameters
    - source: Observable<T>
    Returns Observable<[T, Partial<T>]>
- Defined in operators/map-to-value-and-changed-properties.ts:26

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