Union and Intersection Types example 8
A focused TypeScript example for union and intersection types with output and explanation.
Union and Intersection Types example 8
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Input
Terminal
SuccessReady.
Run code to see output here.
What this example teaches
Union and Intersection Types
Output
TypeScript compiler verifies types successfully with no errors.
Line-by-line explanation
- Line 1 sets up the Union and Intersection Types example: interface Order {.
- Line 2 adds one required part of the working pattern: id: number;.
- Line 3 adds one required part of the working pattern: total: number;.
- Line 4 adds one required part of the working pattern: status: "paid" | "pending";.
- Line 5 adds one required part of the working pattern: customer: string;.
- Line 6 adds one required part of the working pattern: }.
Why this example is useful
This example is useful because it isolates union and intersection types without surrounding noise, so you can see the idea clearly.
Where it is used in real projects
Union and Intersection Types appears in real TypeScript work when a feature needs a clear pattern that can be reviewed and changed safely.
Beginner variation
Change one label, value or condition in the Union and Intersection Types example and run it again.
Advanced variation
Combine Union and Intersection Types with validation, error handling or reusable structure.