initial checkin

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

array/generic/sort.go

@@ -0,0 +1,26 @@
+package generic
+
+import (
+	"sort"
+
+	O "github.com/ibm/fp-go/ord"
+)
+
+// Sort implements a stable sort on the array given the provided ordering
+func Sort[GA ~[]T, T any](ord O.Ord[T]) func(ma GA) GA {
+
+	return func(ma GA) GA {
+		// nothing to sort
+		l := len(ma)
+		if l < 2 {
+			return ma
+		}
+		// copy
+		cpy := make(GA, l)
+		copy(cpy, ma)
+		sort.Slice(cpy, func(i, j int) bool {
+			return ord.Compare(cpy[i], cpy[j]) < 0
+		})
+		return cpy
+	}
+}