move: log parsers

logparser/v5/pipe/pipe.go

@@ -0,0 +1,26 @@
+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package pipe
+
+// Iterator yields a record.
+type Iterator interface {
+	Each(func(Record)) error
+}
+
+// Digester represents a record consumer.
+type Digester interface {
+	Digest(Iterator) error
+}
+
+// Transform represents both a record consumer and producer.
+// It has an input and output.
+// It takes a single record and provides an iterator for all the records.
+type Transform interface {
+	Digester // consumer
+	Iterator // producer
+}