NR.c

// Moves "this" to node's focus if exists then rotates loop and executes/reduces the focus item
void nodeReduce() {
    if(this = nodeLoopRotate(parent = this)) {        // Move "this" to the focus in the node's loop and rotate
        nodeSetValue(this, nodePARENT, parent);       // Update the parent association
        if(code = *nodeState(this, nodeCODE)) code(); // nodeCODE value is a pointer-index, execute as function-reference if non-zero
    }
}