Get axis version counter

Returns the version counter for an axis, which is incremented when the axis is modified. This is useful for cache invalidation.

Usage

axis_version_counter(daf, axis)

Arguments

daf

A Daf object

axis

Name of the axis

Value

An integer version counter

Details

The version counter is incremented whenever the axis entries are modified. This can be used to detect changes and invalidate caches.