scheme_update: Update the scheme
Description
scheme_update()
is used by developers to define how two Scheme
objects
with the same key should be merged. This typically happens when adding or
updating a Scheme
in a collection.
Usage
scheme_update(e1, e2, ...)
Value
A new Scheme
object, resulting from merging e1
and e2
.
Arguments
- e1
The original Scheme
object.
- e2
The new Scheme
object. Usually should have the same key
as
e1
.
- ...
Additional arguments passed to methods.