initial checkin

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

either/http/request.go

@@ -0,0 +1,36 @@
+package Http
+
+import (
+	"bytes"
+	"net/http"
+
+	E "github.com/ibm/fp-go/either"
+)
+
+var (
+	PostRequest = bodyRequest("POST")
+	PutRequest  = bodyRequest("PUT")
+
+	GetRequest     = noBodyRequest("GET")
+	DeleteRequest  = noBodyRequest("DELETE")
+	OptionsRequest = noBodyRequest("OPTIONS")
+	HeadRequest    = noBodyRequest("HEAD")
+)
+
+func bodyRequest(method string) func(string) func([]byte) E.Either[error, *http.Request] {
+	return func(url string) func([]byte) E.Either[error, *http.Request] {
+		return func(body []byte) E.Either[error, *http.Request] {
+			return E.TryCatchError(func() (*http.Request, error) {
+				return http.NewRequest(method, url, bytes.NewReader(body))
+			})
+		}
+	}
+}
+
+func noBodyRequest(method string) func(string) E.Either[error, *http.Request] {
+	return func(url string) E.Either[error, *http.Request] {
+		return E.TryCatchError(func() (*http.Request, error) {
+			return http.NewRequest(method, url, nil)
+		})
+	}
+}