fix: add ioeither

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

json/type.go

@@ -0,0 +1,22 @@
+package json
+
+import (
+	E "github.com/ibm/fp-go/either"
+	F "github.com/ibm/fp-go/function"
+	O "github.com/ibm/fp-go/option"
+)
+
+func ToTypeE[A any](src any) E.Either[error, A] {
+	return F.Pipe2(
+		src,
+		Marshal[any],
+		E.Chain(Unmarshal[A]),
+	)
+}
+
+func ToTypeO[A any](src any) O.Option[A] {
+	return F.Pipe1(
+		ToTypeE[A](src),
+		E.ToOption[error, A](),
+	)
+}