mirror of
https://github.com/arangodb/kube-arangodb.git
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44 lines
1 KiB
Go
44 lines
1 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2023 ArangoDB GmbH, Cologne, Germany
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package util
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import (
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"math/rand"
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"time"
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)
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var localRand = rand.New(rand.NewSource(time.Now().Unix()))
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func Rand() *rand.Rand {
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return localRand
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}
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func RandomElement[T interface{}](in []T) (T, bool) {
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if len(in) == 0 {
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return Default[T](), false
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}
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if len(in) == 1 {
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return in[0], true
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}
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return in[Rand().Perm(len(in))[0]], true
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}
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