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I want to delete an object in a db set.
Preferably with a path expression and a conditional.
Something like
delete /wiki/page[content=""]
If this is not possible, is there any other method to delete an object? (Apart from shift and pop, which only work on db lists)
Use
Db.removeon a the reference path (your path starting with @):Here is an example: https://github.com/tsloughter/OpaDo/blob/master/src/todo.opa#L34