Some code refactoring, a new version of obiuniq more efficient in memory and a first make file allowing to build obitools

pkg/obiiter/pipe.go

@@ -0,0 +1,46 @@
+package obiiter
+
+
+type Pipeable func(input IBioSequenceBatch) IBioSequenceBatch
+
+func Pipeline(start Pipeable,parts ...Pipeable) Pipeable {
+	p := func (input IBioSequenceBatch) IBioSequenceBatch {
+		data := start(input)
+		for _,part := range parts {
+			data = part(data)
+		}
+		return data
+	}
+
+	return p
+}
+
+func (input IBioSequenceBatch) Pipe(start Pipeable, parts ...Pipeable) IBioSequenceBatch {
+	p := Pipeline(start,parts...)
+	return p(input)
+}
+
+
+type Teeable func(input IBioSequenceBatch) (IBioSequenceBatch,IBioSequenceBatch) 
+
+func (input IBioSequenceBatch) CopyTee() (IBioSequenceBatch,IBioSequenceBatch) {
+	first := MakeIBioSequenceBatch()
+	second:= MakeIBioSequenceBatch()
+
+	first.Add(1)
+
+	go func() {
+		first.WaitAndClose()
+		second.Close()
+	}()
+
+	go func() {
+		for input.Next() {
+			b:=input.Get()
+			first.Push(b)
+			second.Push(b)
+		}
+	}()
+
+	return first,second 
+}