update code comments for helping IDEs and fix unhandled error in test (…

…#2099)

* fix unhandled errors

* fix unhandled error in cache package test

* omit variable type

* omit variable type

* rename variable because collide with the imported package name

* handle file error on closing

* fix unhandled in common_linux.go

* fix unhandled errors in helpers_test.go

* fix unhandled errors in listen_test.go

* remove unused parameter in emptyHandler method

* refactor path.go

* unhandled error in hooks test

* fix unhandled errors in app_test.go

* fix unhandled errors in ctx_test.go

* ✨ fix unhandled errors in helpers_test.go

* revert app_test.go

* remove redundant parentheses and update comments

* update code comment for helping ide

* update code comment for helping ide

* fix unhandled error in app_test.go

* update code comments for helping IDEs

app_test.go

@@ -1202,7 +1202,8 @@ func Benchmark_App_ETag(b *testing.B) {
 	app := New()
 	c := app.AcquireCtx(&fasthttp.RequestCtx{})
 	defer app.ReleaseCtx(c)
-	c.Send([]byte("Hello, World!"))
+	err := c.Send([]byte("Hello, World!"))
+	utils.AssertEqual(b, nil, err)
 	for n := 0; n < b.N; n++ {
 		setETag(c, false)
 	}

ctx.go

@@ -1226,7 +1226,7 @@ func (c *Ctx) Redirect(location string, status ...int) error {
 	return nil
 }
 
-// Add vars to default view var map binding to template engine.
+// Bind Add vars to default view var map binding to template engine.
 // Variables are read by the Render method and may be overwritten.
 func (c *Ctx) Bind(vars Map) error {
 	// init viewBindMap - lazy map

group.go

@@ -48,7 +48,7 @@ func (grp *Group) Mount(prefix string, fiber *App) Router {
 	return grp
 }
 
-// Assign name to specific route.
+// Name Assign name to specific route.
 func (grp *Group) Name(name string) Router {
 	grp.app.mutex.Lock()
 	if strings.HasPrefix(grp.Prefix, grp.app.latestGroup.Prefix) {

hooks.go

@@ -1,6 +1,6 @@
 package fiber
 
-// Handlers define a function to create hooks for Fiber.
+// OnRouteHandler Handlers define a function to create hooks for Fiber.
 type OnRouteHandler = func(Route) error
 type OnNameHandler = OnRouteHandler
 type OnGroupHandler = func(Group) error