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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package slice
import (
// T is a Go slice value of type []U.
// This is primarily for documentation. There is no way to statically
// enforce this in Go; however, functions that expect a slice will
// panic with a *generic.TypeError if passed a non-slice value.
type T interface{}
// reflectSlice checks that s is a slice and returns its
// reflect.Value. It panics with a *generic.TypeError if s is not a slice.
func reflectSlice(s T) reflect.Value {
rv := reflect.ValueOf(s)
if rv.Kind() != reflect.Slice {
panic(&generic.TypeError{rv.Type(), nil, "is not a slice"})
return rv