TBaseMapIterator.Validate

Validates the AVL Tree and the Current item in the iterator.

Declaration

Source position: maps.pp line 145

Description

Validate is a procedure used to validate the nodes in the AVL tree for the map, and the Current item for the iterator. Validate calls ValidateMap to check the nodes in the AVL Tree. It updates the values in Current and Invalid as the nodes are processed. Validate raises an EInvalidOperation exception if the value in Current is Nil, or the Invalid flag is set.

Errors

EInvalidOperation

Raised when Current is unassigned with the message 'No current item'.

EInvalidOperation

Raised when the Invalid flag is set with the message 'Current item removed'.