Fix examples

README.md

@@ -9,21 +9,31 @@ However, we do not recommend using this project in production.
 Vif is a small program that runs an OCaml script and launches a Web server from
 it. The main idea is to be able to set up a typed Web server as quickly as
 possible (note that we use [hurl][hurl], an HTTP client in OCaml)
-```ocaml
+```shell
 $ opam pin add -y https://github.com/robur-coop/vif
 $ opam pin add -y https://github.com/robur-coop/hurl
 $ opam install vif hurl
 $ cat >main.ml <<EOF
 #require "vif" ;;
 
-let default req target server () =
+open Vif ;;
-  let headers = [ "content-type", "text/html" ] in
+
-  Vif.Response.with_string ~headers server `OK "Hello World!\n"
+let default req server () =
+  let field = "content-type" in
+  let* () = Response.add ~field "text/html; charset=utf-8" in
+  let* () = Response.with_string req "Hello World!" in
+  Response.respond `OK
 ;;
 
+let routes =
+  let open Vif.U in
+  let open Vif.R in
+  let open Vif.T in
+  [ get (rel /?? nil) --> default ]
+
 let () =
   Miou_unix.run @@ fun () ->
-  Vif.run ~default [] ()
+  Vif.run routes ()
 ;;
 EOF
 $ vif --pid vif.pid main.ml &
@@ -31,7 +41,7 @@ $ hurl http://localhost:8080/
 HTTP/1.1 200 OK
 
 connection: close
-content-length: 13
+content-length: 12
 content-type: text/html
 
 Hello World!
@@ -39,4 +49,11 @@ Hello World!
 $ kill -SIGINT $(cat vid.pid)
 ```
 
+### Examples
+
+The [examples][./examples] folder contains several examples of the use of `vif`.
+It shows the management of more complex requests (json, multipart-form, etc.) as
+well as the use of an SQL database with [caqti][caqti].
+
 [hurl]: https://github.com/robur-coop/hurl
+[caqti]: https://github.com/paurkedal/ocaml-caqti/

examples/01-hello/main.ml

@@ -3,16 +3,18 @@
 open Vif ;;
 
 let default req _server () =
-  let* () = Response.with_string req "Hello World!\n" in
+  let str = "Hello World!\n" in
+  let* () = Response.with_string req str in
   Response.respond `OK
 ;;
 
 let routes =
   let open Vif.U in
   let open Vif.R in
-  let open Vif.Content_type in
+  let open Vif.T in
   [ get (rel /?? nil) --> default ]
 ;;
 
 let () = Miou_unix.run @@ fun () ->
-  Vif.run routes () ;;
+  Vif.run routes ()
+;;

examples/02-counter/main.ml

@@ -15,7 +15,7 @@ let default req _server () =
 let routes =
   let open Vif.U in
   let open Vif.R in
-  let open Vif.Content_type in
+  let open Vif.T in
   [ get (rel /?? nil) --> default ]
 
 let () = Miou_unix.run @@ fun () ->

examples/03-fail/main.ml

@@ -11,7 +11,7 @@ let default req server () = raise Foo ;;
 let routes =
   let open Vif.U in
   let open Vif.R in
-  let open Vif.Content_type in
+  let open Vif.T in
   [ get (rel /?? nil) --> default ]
 ;;
 

examples/04-device/main.ml

@@ -18,7 +18,7 @@ let default req server () =
 let routes =
   let open Vif.U in
   let open Vif.R in
-  let open Vif.Content_type in
+  let open Vif.T in
   [ get (rel /?? nil) --> default ]
 
 let () =

examples/06-caqti/main.ml

@@ -56,7 +56,7 @@ let list req server _cfg =
 let routes =
   let open Vif.U in
   let open Vif.R in
-  let open Vif.Content_type in
+  let open Vif.T in
   [ post any (rel / "add" /% Tyre.int /?? nil) --> add
   ; get (rel /?? nil) --> list ]
 

examples/07-deflate/main.ml

@@ -12,7 +12,7 @@ let default req server () =
 let routes =
   let open Vif.U in
   let open Vif.R in
-  let open Vif.Content_type in
+  let open Vif.T in
   [ get (rel /?? nil) --> default ]
 
 let () = Miou_unix.run @@ fun () ->

examples/08-digest/main.ml

@@ -24,7 +24,7 @@ let default req server () =
 let routes =
   let open Vif.U in
   let open Vif.R in
-  let open Vif.Content_type in
+  let open Vif.T in
   [ post any (rel /?? nil) --> default ]
 
 let () = Miou_unix.run @@ fun () ->

examples/09-jwt/cookie.txt

@@ -1,5 +0,0 @@
-# Netscape HTTP Cookie File
-# https://curl.se/docs/http-cookies.html
-# This file was generated by libcurl! Edit at your own risk.
-
-#HttpOnly_localhost	FALSE	/	TRUE	0	__Host-vif-token	AIT3qkbKq7NBg7ePl7Xbs9ikzUNdcxLuKYbinTM3KQdTVm2jAHY36a8c9mOFSf5opEudhbozpU2oXxt_bfCkR9YlqAlzjK8OYcLwgBVMLZaJBiontKM9BdS70yUDdPawY4h883n9P0A9lEUhMNMQr7-NVieuIgZTGbtTV-B7Xrcf9pipVYOIiyiPcILaoDwa-ycs-_b9yqlyzDYfMPOwsWphSPR0Ji9lVg

examples/09-jwt/foo.json

@@ -1,2 +0,0 @@
-{ "username": "dinosaure",
-  "password": "foo" }

examples/10-route/main.ml

@@ -21,7 +21,7 @@ let default req server _cfg =
 let routes =
   let open Vif.U in
   let open Vif.R in
-  let open Vif.Content_type in
+  let open Vif.T in
   [ get (rel / "echo" /% string /?? nil) --> hello
   ; get (rel /?? nil) --> default ]
 ;;

examples/11-stream/main.ml

@@ -13,7 +13,7 @@ let cat req server _ =
 let routes =
   let open Vif.U in
   let open Vif.R in
-  let open Vif.Content_type in
+  let open Vif.T in
   [ post any (rel /?? nil) --> cat ]
 ;;
 

examples/12-static/main.ml

@@ -9,7 +9,7 @@ let default req server _ =
 let routes =
   let open Vif.U in
   let open Vif.R in
-  let open Vif.Content_type in
+  let open Vif.T in
   [ get (rel /?? nil) --> default ]
 ;;