Represents an arc connecting two nodes in the prim index.
The arc is owned by a node (source) and points to its parent node (target) in the index.
Definition at line 44 of file arc.h.
The origin node of this arc.
This is the node that caused this arc's source node to be brought into the prim index. In most cases, this will be the same as the parent node. For implied inherits, this is the node from which this inherit arc was propagated. This affects strength ordering.
Definition at line 66 of file arc.h.