Function GraphEdit.connectNode

Create a connection between the from_port slot of the from GraphNode and the to_port slot of the to GraphNode. If the connection already exists, no connection is created.

godot.core.defs.GodotError connectNode (
  const(String) from,
  const(long) from_port,
  const(String) to,
  const(long) to_port
) nothrow @nogc;