Parameter passing

Authors:
Adrienne Bloss;J. A. N. Lee
Affiliations:
-;-
Venue:
Encyclopedia of Computer Science
Year:
2003

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Abstract

When a subprogram is called, information may be passed to it by means of a parameter, or argument. The placeholder within the subprogram for this information is called the formal parameter; the information that is actually passed on a given invocation is called the actual parameter. This article is concerned with the means by which the actual parameters supplied to a procedure or function are transferred to the formal parameters. There are three basic techniques: