Function Count

Count<This, Value>(arg, opt?): DecoratorType<This, Value>
@Count decorator define a variable length array based on the primitive.
Type Parameters
- This
- Value
Parameters
- arg: string | number
  The number of time to read the target property or a string refering to a field present on the target instance.
- Optionalopt: Partial<ControllerOptions>
Returns DecoratorType<This, Value>
The property decorator function ran at runtime
Example
The decorator also allows to refer to another field already present in the binary definition target instance.
```
class BinProtocol {
  @Relation(PrimitiveSymbol.u8)
  len: Number

  @Count('len')
  @Relation(PrimitiveSymbol.u8)
  vec: Number
}
```
See
- Until
- While
- Controller
- Defined in controller.ts:437