.addChangedAttr: Add an attribute to an object indicating which named elements change
Description
This is a generic definition that can be extended according to class.
Usage
.addChangedAttr(object, preDigest, origArguments, ...)# S4 method for ANY
.addChangedAttr(object, preDigest, origArguments, ...)
Value
The object, modified
Arguments
- object
Any R object returned from a function
- preDigest
The full, element by element hash of the input arguments to that same function,
e.g., from .robustDigest
- origArguments
These are the actual arguments (i.e., the values, not the names) that
were the source for preDigest
- ...
Anything passed to methods.
Examples
Run this codea <- 1
.addChangedAttr(a) # does nothing because default method is just a pass through
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