func main() {
edge := core.NewPipeEdge("A", "O1", "B", "I1")
w := edge.Writer()
r := edge.Reader()
wg := &sync.WaitGroup{}
wg.Add(2)
go func() {
defer wg.Done()
Node2(r)
}()
go func() {
defer wg.Done()
Node1(w)
}()
wg.Wait()
}
n.inputs[name] = reader
}
func (n *NodeMathOp) AddOutput(name string, writer io.WriteCloser) {
n.outputs[name] = append(n.outputs[name], writer)
}
var nodes = []gflow.Node{
NewNodeSource("A", 3),
NewNodeMathOp("B", "+"),
NewNodeSource("C", 2),
NewNodePrinter("D"),
}
var edges = []gflow.Edge{
core.NewPipeEdge("A", "O1", "B", "I1"),
core.NewPipeEdge("C", "O1", "B", "I2"),
core.NewPipeEdge("B", "O1", "D", "I1"),
}
func main() {
//edge := core.NewPipeEdge("A", "O1", "B", "I1")
//w := edge.Writer()
//r := edge.Reader()
var err error
r, w, _ := os.Pipe()
sdata := []byte("134.222")
fmt.Println("sdata:", sdata)
_, err = w.Write(sdata)
if err != nil {