file: job.t package: muf status: alpha
makePlain function creates and returns an
instance of Class Plain, which represents the simplest
kind of built-in class, unspecialized to any particular
Since Class Plain has no specialized functionality, there
is little reason to create an instance of it: Class Plain
and the primitive
makePlain are included mostly
Class Plain, like the other built-in classes, can be used to store key-val pairs much as can Index: The trade-off is that Plain objects do not have four slots pre-allocated to hold the btrees, but finding the associated btrees (if any) requires an additional btree lookup to find the btree itself. Thus, if you need to create many objects which can be used to store key-val pairs, but very few of which actually do so, you might conceivably wish to use Plain rather than Index objects to save a little space.
See section makeIndex.
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