fix: initial checkin of v2

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

v2/json/json_test.go

@@ -0,0 +1,42 @@
+// Copyright (c) 2023 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 json
+
+import (
+	"fmt"
+	"testing"
+
+	E "github.com/IBM/fp-go/v2/either"
+	F "github.com/IBM/fp-go/v2/function"
+	"github.com/stretchr/testify/assert"
+)
+
+type Json map[string]any
+
+func TestJsonMarshal(t *testing.T) {
+
+	resRight := Unmarshal[Json]([]byte("{\"a\": \"b\"}"))
+	assert.True(t, E.IsRight(resRight))
+
+	resLeft := Unmarshal[Json]([]byte("{\"a\""))
+	assert.True(t, E.IsLeft(resLeft))
+
+	res1 := F.Pipe1(
+		resRight,
+		E.Chain(Marshal[Json]),
+	)
+	fmt.Println(res1)
+}