initial checkin

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

array/magma_test.go

@@ -0,0 +1,21 @@
+package array
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	M "github.com/ibm/fp-go/magma"
+)
+
+var subInt = M.MakeMagma(func(first int, second int) int {
+	return first - second
+})
+
+func TestConcatAll(t *testing.T) {
+
+	var subAll = ConcatAll(subInt)(0)
+
+	assert.Equal(t, subAll([]int{1, 2, 3}), -6)
+
+}