Initializing help system before first use

# getindex

Purpose
Gets the index of a variable / task / resource passed in argument. The index is unique for each type of object (cpvar, cpfloatvar, cptask, cpresource). For example, it can be used to map variables to problem data in a user branching scheme or to compare two variable objects.
Synopsis
`function getindex(var:cpvar): integer`
`function getindex(fvar:cpfloatvar): integer`
`function getindex(task:cptask): integer`
`function getindex(resource:cpresource): integer`
Arguments

var | a finite domain variable
fvar | a continuous variable
task | a task
resource | a resource

Example
The following example displays the index of a cpvar x.

    declarations
     x: cpvar
    end-declarations
    writeln("Index value of 'x': ", getindex(x))

Related topics
getname
Parent Topic Problem

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