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// Copyright 2021 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.
//
//go:build go1.18
// +build go1.18
package testdata
type List[E any] []E
// TODO(suzmue): add a test for generic slice expressions when https://github.com/golang/go/issues/48618 is closed.
// type S interface{ ~[]int }
var (
a [10]byte
b [20]float32
p List[int]
_ = p[0:]
_ = p[1:10]
_ = p[2:len(p)] // want "unneeded: len\\(p\\)"
_ = p[3:(len(p))]
_ = p[len(a) : len(p)-1]
_ = p[0:len(b)]
_ = p[2:len(p):len(p)]
_ = p[:]
_ = p[:10]
_ = p[:len(p)] // want "unneeded: len\\(p\\)"
_ = p[:(len(p))]
_ = p[:len(p)-1]
_ = p[:len(b)]
_ = p[:len(p):len(p)]
)
func foo[E any](a List[E]) {
_ = a[0:len(a)] // want "unneeded: len\\(a\\)"
}
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