-- argInfer-hoverdef --
```go
func app(s []int, e int) []int // func[S interface{~[]E}, E interface{}](s S, e E) S
```
-- constrInfer-hoverdef --
```go
func app(s []int, e int) []int // func[S interface{~[]E}, E interface{}](s S, e E) S
```
-- instance-hoverdef --
```go
func app(s []int, e int) []int // func[S interface{~[]E}, E interface{}](s S, e E) S
```
-- partialInfer-hoverdef --
```go
func app(s []int, e int) []int // func[S interface{~[]E}, E interface{}](s S, e E) S
```