Rvalue definitions

Rvalue

1) Insulation measure 2) Replacement window spec
Found on https://www.crosswordclues.com/clue/rvalue

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rvalue

an expression that may appear on the right-hand side of an assignment, but not of the left-hand side; for example, 7. D&E 3.7.1.
Found on http://www.stroustrup.com/glossary.html

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