initial checkin

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

array/sort_test.go

@@ -0,0 +1,21 @@
+package array
+
+import (
+	"testing"
+
+	O "github.com/ibm/fp-go/ord"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSort(t *testing.T) {
+
+	ordInt := O.FromStrictCompare[int]()
+
+	input := []int{2, 1, 3}
+
+	res := Sort(ordInt)(input)
+
+	assert.Equal(t, []int{1, 2, 3}, res)
+	assert.Equal(t, []int{2, 1, 3}, input)
+
+}