syncthing/lib/sliceutil/sliceutil.go

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// Copyright (C) 2023 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package sliceutil
// RemoveAndZero removes the element at index i from slice s and returns the
// resulting slice. The slice ordering is preserved; the last slice element
// is zeroed before shrinking.
func RemoveAndZero[E any, S ~[]E](s S, i int) S {
copy(s[i:], s[i+1:])
s[len(s)-1] = *new(E)
return s[:len(s)-1]
}