Function InjectParam

InjectParam<T>(token: InjectionToken<T>): ParameterDecorator
Mark a method parameter for DI injection

The parameter will be resolved from the request-scoped container when the controller method is invoked.
Type Parameters
- T
Parameters
- token: InjectionToken<T>
  DI token to resolve (class or symbol)
Returns ParameterDecorator
Example: With class token
```
async show(
  ctx: RouterContext,
  @InjectParam(UserService) userService: UserService
) { }
```
Example: With symbol token
```
async show(
  ctx: RouterContext,
  @InjectParam(DI_TOKENS.Cache) cache: ICacheService
) { }
```
- Defined in packages/core/src/di/decorators/inject-param.decorator.ts:61