fix doc examples for generic function

docs/guide/utils.md

@@ -45,9 +45,9 @@ func GetReqHeader[V any](c Ctx, key string, defaultValue ...V) V
 ```go title="Example"
 app.Get("/search", func(c fiber.Ctx) error {
     // curl -X GET http://example.com/search -H "X-Request-ID: 12345" -H "X-Request-Name: John"
-    GetReqHeader[int](c, "X-Request-ID")               // => returns 12345 as integer.
-    GetReqHeader[string](c, "X-Request-Name")          // => returns "John" as string.
-    GetReqHeader[string](c, "unknownParam", "default") // => returns "default" as string.
+    fiber.GetReqHeader[int](c, "X-Request-ID")               // => returns 12345 as integer.
+    fiber.GetReqHeader[string](c, "X-Request-Name")          // => returns "John" as string.
+    fiber.GetReqHeader[string](c, "unknownParam", "default") // => returns "default" as string.
     // ...
 })
 ```
@@ -97,8 +97,8 @@ func Params[V any](c Ctx, key string, defaultValue ...V) V
 ```go title="Example"
 app.Get("/user/:user/:id", func(c fiber.Ctx) error {
     // http://example.com/user/john/25
-    Params[int](c, "id")               // => returns 25 as integer.
-    Params[int](c, "unknownParam", 99) // => returns the default 99 as integer.
+    fiber.Params[int](c, "id")               // => returns 25 as integer.
+    fiber.Params[int](c, "unknownParam", 99) // => returns the default 99 as integer.
     // ...
     return c.SendString("Hello, " + fiber.Params[string](c, "user"))
 })
@@ -116,9 +116,9 @@ func Query[V any](c Ctx, key string, defaultValue ...V) V
 ```go title="Example"
 app.Get("/search", func(c fiber.Ctx) error {
     // http://example.com/search?name=john&age=25
-    Query[string](c, "name")                    // => returns "john"
-    Query[int](c, "age")                        // => returns 25 as integer.
-    Query[string](c, "unknownParam", "default") // => returns "default" as string.
+    fiber.Query[string](c, "name")                    // => returns "john"
+    fiber.Query[int](c, "age")                        // => returns 25 as integer.
+    fiber.Query[string](c, "unknownParam", "default") // => returns "default" as string.
     // ...
 })
 ```

docs/whats_new.md

@@ -497,7 +497,7 @@ func main() {
     app := fiber.New()
 
     app.Get("/convert", func(c fiber.Ctx) error {
-        value, err := Convert[string](c.Query("value"), strconv.Atoi, 0)
+        value, err := fiber.Convert[string](c.Query("value"), strconv.Atoi, 0)
         if err != nil {
             return c.Status(fiber.StatusBadRequest).SendString(err.Error())
         }
@@ -575,7 +575,7 @@ func main() {
     app := fiber.New()
 
     app.Get("/params/:id", func(c fiber.Ctx) error {
-        id := Params[int](c, "id", 0)
+        id := fiber.Params[int](c, "id", 0)
         return c.JSON(id)
     })
 
@@ -607,7 +607,7 @@ func main() {
     app := fiber.New()
 
     app.Get("/query", func(c fiber.Ctx) error {
-        age := Query[int](c, "age", 0)
+        age := fiber.Query[int](c, "age", 0)
         return c.JSON(age)
     })
 
@@ -640,7 +640,7 @@ func main() {
     app := fiber.New()
 
     app.Get("/header", func(c fiber.Ctx) error {
-        userAgent := GetReqHeader[string](c, "User-Agent", "Unknown")
+        userAgent := fiber.GetReqHeader[string](c, "User-Agent", "Unknown")
         return c.JSON(userAgent)
     })