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5 (container delay-tree)

5.1 Overview

A delay tree is a superset of a nodal tree (see (container nodal-tree)). It extends nodal trees to allow any entry of the node to be a promise created with the delay operator.

5.2 Usage

— Function: force-ref node field

Access a field in a node of a delay tree. If the value of the field is a promise, the promise will be forced, and the value will be replaced with the forced value.