Generics Basics example 71
A focused TypeScript example for generics basics with output and explanation.
Generics Basics example 71
lesson.jsjavascript
1
2
3
4
5
6
javascript6 linesWrap
Input
Terminal
SuccessReady.
Run code to see output here.
What this example teaches
Generics Basics
Output
TypeScript compiler verifies types successfully with no errors.
Line-by-line explanation
- Line 1 sets up the Generics Basics example: function wrapValue<T>(value: T): { data: T } {.
- Line 2 exposes the output so you can verify the behavior: return { data: value };.
- Line 3 adds one required part of the working pattern: }.
- Line 4 adds one required part of the working pattern: blank line.
- Line 5 adds one required part of the working pattern: const orderWrap = wrapValue<number>(120);.
- Line 6 exposes the output so you can verify the behavior: console.log(orderWrap);.
Why this example is useful
This example is useful because it isolates generics basics without surrounding noise, so you can see the idea clearly.
Where it is used in real projects
Generics Basics 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 Generics Basics example and run it again.
Advanced variation
Combine Generics Basics with validation, error handling or reusable structure.