Contains

Contains

This command checks whether a set of items (Collection, Vector, Listview) contains a specific item.

For non-primitive objects, the system checks whether exactly the same object is in the set, for primitive data types (integer, string), the system searches for the object with the same content.

Contains

Stack

Stack	Position	Description
Stack(In)	Top	a collection
	Top 1	one object
Stack(Out)	Top	TRUE or FALSE

determines whether the object on Stack-Top-1 is included as an item in the collection. This is either located on the stack-top or is reached from an object located on the stack via the access expression to be specified as a parameter.

Stack

Stack	Position	Description
Stack(In)	Top
	Top 1	one object
	Top-x	...
	Top-n
	Top n-1	one object
Stack(Out)	Top	TRUE or FALSE

determines whether the object on Stack-Top-n-1 is contained as an element in an expanded vector.

Stack

Stack	Position	Description
Stack(In)	Top	Vector
	Top 1	one object
Stack(Out)	Top	TRUE or FALSE

determines whether the object on Stack-Top-1 is contained as an element in a collapsed vector on the stack at the position Top.

Contains(access expression)

Parameter: an access printout

Stack

Stack	Position	Description
Stack(In)	Top	Initial object
	Top 1	one object
Stack(Out)	Top	TRUE or FALSE

determines whether the object on Stack-Top-1 is included as an item in the collection. This is either located on the stack-top or is reached from an object located on the stack via the access expression to be specified as a parameter.

Note: A transaction begins.

Contains

Stack

Stack	Position	Description
Stack(In)	Top	an object box
	Top 1	one object
Stack(Out)	Top	TRUE or FALSE

An object box can be seen as the visual representation of a collection. It is also possible to determine whether the object on Stack-Top-1 is represented by the object box. Widget brings an object box onto the stack.