Invalid example code

### Type of issue

Code doesn't work

### Description


### Page URL

https://learn.microsoft.com/en-us/dotnet/fundamentals/reflection/how-to-define-a-generic-type-with-reflection-emit

### Content source URL

https://github.com/dotnet/docs/blob/main/docs/fundamentals/reflection/how-to-define-a-generic-type-with-reflection-emit.md

### Document Version Independent Id

ecc250a4-075f-9417-0826-7e6d6ed6dc01

### Article author

@dotnet-bot

### Metadata

* ID: db53a8bc-1b38-f4fd-47e9-92b5abecb033
* Service: **dotnet-fundamentals**