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Intersection Type ↔ Compound Type to merge via & Type Operator to express Type as being ALL of Type set

aka Type-Intersection, Intersection

Intersection Type related to interface Inheritance

type A = {name: string; age: number} 
type B = {name: string; hobby: string}
type C = A & B

References​

  1. [!snippet [**_Intersection Type_**](intersection-type) of 2 [Union Type`](union-type)
type DateTime = Date | string
type Label = string | number
type Combined = DateTime & Label

typeof Combined`](snippet-intersection-type-of-2-union-type-typeof-combined) ↔ string