prolog_xref:xref_op/2

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Predicate xref_op/2

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Availability::- use_module(library(prolog_xref)).(can be autoloaded)

xref_op(?Source, Op) is nondet

Give the operators active inside the module. This is intended to setup the environment for incremental parsing of a term from the source-file.

Arguments:

`Op`	- Term of the form `op(Priority, Type, Name)`