autodoc updates (#1099)

Co-authored-by: lestrrat <lestrrat@users.noreply.github.com>

docs/01-jwt.md

@@ -151,25 +151,26 @@ import (
   "fmt"
   "net/http"
   "net/url"
-  "strings"
 
   "github.com/lestrrat-go/jwx/v2/jwt"
 )
 
 func ExampleJWT_ParseRequest_Authorization() {
-  values := url.Values{
-    `access_token`: []string{exampleJWTSignedHMAC},
-  }
-
-  req, err := http.NewRequest(http.MethodGet, `https://github.com/lestrrat-go/jwx`, strings.NewReader(values.Encode()))
+  req, err := http.NewRequest(http.MethodGet, `https://github.com/lestrrat-go/jwx`, nil)
   if err != nil {
     fmt.Printf("failed to create request: %s\n", err)
     return
   }
+  req.Form = url.Values{}
+  req.Form.Add("access_token", exampleJWTSignedHMAC)
 
   req.Header.Set(`Authorization`, fmt.Sprintf(`Bearer %s`, exampleJWTSignedECDSA))
   req.Header.Set(`X-JWT-Token`, exampleJWTSignedRSA)
 
+  req.AddCookie(&http.Cookie{Name: "accessToken", Value: exampleJWTSignedHMAC})
+
+  var dst *http.Cookie
+
   testcases := []struct {
     options []jwt.ParseOption
   }{
@@ -187,17 +188,34 @@ func ExampleJWT_ParseRequest_Authorization() {
     {
       options: []jwt.ParseOption{jwt.WithFormKey(`access_token`)},
     },
+    // Looks under "accessToken" cookie, and assigns the http.Cookie object
+    // where the token came from to the variable `dst`
+    {
+      options: []jwt.ParseOption{jwt.WithCookieKey(`accessToken`), jwt.WithCookie(&dst)},
+    },
   }
 
   for _, tc := range testcases {
     options := append(tc.options, []jwt.ParseOption{jwt.WithVerify(false), jwt.WithValidate(false)}...)
     tok, err := jwt.ParseRequest(req, options...)
     if err != nil {
-      fmt.Printf("jwt.ParseRequest with options %#v failed: %s\n", tc.options, err)
+      fmt.Print("jwt.ParseRequest with options [")
+      for i, option := range tc.options {
+        if i > 0 {
+          fmt.Print(", ")
+        }
+        fmt.Printf("%s", option)
+      }
+      fmt.Printf("]: %s\n", err)
       return
     }
     _ = tok
   }
+
+  if dst == nil {
+    fmt.Printf("failed to assign cookie to dst\n")
+    return
+  }
   // OUTPUT:
 }
 ```