add_listener: Plumbr events

Description

Plumbr data structures send only single event for data changes: data_changed. This has a two arguments, i and j. Either both are NULL, indicating a change in the shape of the underlying data, or they give the the locations of changed data values.

Usage

1
  add_listener(mf, callback)

Arguments

mf

muta frame

callback

function with arguments i and j


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