Template function to create a read-only active binding.
Usage
read_only_active(private, field, val)
Arguments
- private
Pointer to the private env of an object
- field
character(1) the name of the active binding field. It is assumed
that a private field prefixed with a single dot exists, that serves as
storage.
- val
The value passed to the active binding. If it is not missing,
the function will stop.
Value
The value of the active binding-related storage field.