Implement v2 using type aliases (#141)

* fix: initial checkin of v2 Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: slowly migrate IO Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: migrate MonadTraverseArray and TraverseArray Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: migrate traversal Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: complete migration of IO Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: migrate ioeither Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: refactorY Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: next step in migration Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: adjust IO generation code Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: get rid of more IO methods Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: get rid of more IO * fix: convert iooption Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: convert reader Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: convert a bit of reader Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: new build script Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: cleanup Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: reformat Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: simplify Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: some cleanup Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: adjust Pair to Haskell semantic Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: documentation and testcases Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: some performance optimizations Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: remove coverage Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: better doc Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> --------- Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
2025-11-23 22:14:53 +02:00 · 2025-11-06 09:27:00 +01:00
parent 7874859c4b
commit 3385c705dc
748 changed files with 97722 additions and 24 deletions
--- a/v2/function/pipe_test.go
+++ b/v2/function/pipe_test.go
@@ -0,0 +1,62 @@
+// Copyright (c) 2023 - 2025 IBM Corp.
+// All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package function
+
+import (
+	"fmt"
+)
+
+func addSthg(value int) int {
+	return value + 1
+}
+
+func doSthgElse(value int) int {
+	return value * 2
+}
+
+func doFinalSthg(value int) string {
+	return fmt.Sprintf("final value: %d", value)
+}
+
+func Example() {
+	// start point
+	value := 1
+	// imperative style
+	value1 := addSthg(value)                    // 2
+	value2 := doSthgElse(value1)                // 4
+	finalValueImperative := doFinalSthg(value2) // "final value: 4"
+
+	// the same but inline
+	finalValueInline := doFinalSthg(doSthgElse(addSthg(value)))
+
+	// with pipe
+	finalValuePipe := Pipe3(value, addSthg, doSthgElse, doFinalSthg)
+
+	// with flow
+	transform := Flow3(addSthg, doSthgElse, doFinalSthg)
+	finalValueFlow := transform(value)
+
+	fmt.Println(finalValueImperative)
+	fmt.Println(finalValueInline)
+	fmt.Println(finalValuePipe)
+	fmt.Println(finalValueFlow)
+
+	// Output:
+	// final value: 4
+	// final value: 4
+	// final value: 4
+	// final value: 4
+}