Placement

Placement[placementRules]⟹primitive

generates a primitive that describes a placement of an item into a destination according to placementRules.

Details

Placements contains a set of mandatory and optional keys that describes the placement.
Required Keys:
Item,Destination
Optional Keys:
Position,Layout

	InsufficientParameters	Please make sure both Item and Destination is specified.
	InvalidPlacement	The Placement parameters do not match PlacementP. Please make sure all keys are valid and their values match the required patterns in PlacementP.

Creates a Placement primitive:

Fetch parameter by dereferencing the desired key:

Specific Position and Layout values can be optionally specified:

Throws a message Item and Destination keys are not specified:

Throws a message if no keys are provided:

Throws a message if an extra key is provided:

Throws a message if a key's value does not match PlacementP: