Coverage report: /development/source/library/org/datagraph/spocq-shard/src/algebra/matrix-operators/minus.lisp

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 ;;; -*- Mode: lisp; Syntax: ansi-common-lisp; Base: 10; Package: org.datagraph.spocq.implementation; -*-
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 (in-package :org.datagraph.spocq.implementation)
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 (:documentation "This file defines the matrix MINUS operator for the 'org.datagraph.spocq' RDF engine."
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  (copyright
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   "Copyright 2011 [dataraph inc.](mailto:info@datagraph.org) All Rights Reserved."))
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 (defmethod spocq.e:minus ((base-field matrix-field) (offset-field  matrix-field) &rest args &key end start)
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   "MINUS computes the sub-bag of from the first solution field for which
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  each member has no counterpart in the second solution field. This differs from DIFF, in that
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  there is no additional predicate."
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   (declare (ignore end start)
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            (dynamic-extent args))
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   (apply #'spocq.e:diff base-field offset-field args))