Basic HTML version of Foils prepared April 16,1996

Foil 56 tie() and untie() Perl Functions - II

From Perl5 and Advanced Perl4 Features Computational Science for Information Age Course CPS616 Material -- April 16,1996. by Geoffrey C. Fox
1 tie VARIABLE, CLASSNAME, LIST
2 VARIABLE is a scalar, array or hash to be enchanted
3 Note a given type of tie can have several variables tied which differ by their initial conditions which are specified in LIST which is handed to constructor
4 The CLASSNAME is a module which must have some special ENCHANTED routines defined -- these are
5 constructors TIESCALAR() TIEARRAY() or TIEHASH() for three variable types respectively and further functions to define operational access to variables which are listed on following foil
in Table To:

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