mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-05 01:52:46 +00:00
74 lines
2 KiB
Go
74 lines
2 KiB
Go
|
//go:build go1.21
|
||
|
|
||
|
/*
|
||
|
*
|
||
|
* Copyright 2024 gRPC authors.
|
||
|
*
|
||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
* you may not use this file except in compliance with the License.
|
||
|
* You may obtain a copy of the License at
|
||
|
*
|
||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
*
|
||
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
* See the License for the specific language governing permissions and
|
||
|
* limitations under the License.
|
||
|
*
|
||
|
*/
|
||
|
|
||
|
// Package grpcrand implements math/rand functions in a concurrent-safe way
|
||
|
// with a global random source, independent of math/rand's global source.
|
||
|
package grpcrand
|
||
|
|
||
|
import "math/rand"
|
||
|
|
||
|
// This implementation will be used for Go version 1.21 or newer.
|
||
|
// For older versions, the original implementation with mutex will be used.
|
||
|
|
||
|
// Int implements rand.Int on the grpcrand global source.
|
||
|
func Int() int {
|
||
|
return rand.Int()
|
||
|
}
|
||
|
|
||
|
// Int63n implements rand.Int63n on the grpcrand global source.
|
||
|
func Int63n(n int64) int64 {
|
||
|
return rand.Int63n(n)
|
||
|
}
|
||
|
|
||
|
// Intn implements rand.Intn on the grpcrand global source.
|
||
|
func Intn(n int) int {
|
||
|
return rand.Intn(n)
|
||
|
}
|
||
|
|
||
|
// Int31n implements rand.Int31n on the grpcrand global source.
|
||
|
func Int31n(n int32) int32 {
|
||
|
return rand.Int31n(n)
|
||
|
}
|
||
|
|
||
|
// Float64 implements rand.Float64 on the grpcrand global source.
|
||
|
func Float64() float64 {
|
||
|
return rand.Float64()
|
||
|
}
|
||
|
|
||
|
// Uint64 implements rand.Uint64 on the grpcrand global source.
|
||
|
func Uint64() uint64 {
|
||
|
return rand.Uint64()
|
||
|
}
|
||
|
|
||
|
// Uint32 implements rand.Uint32 on the grpcrand global source.
|
||
|
func Uint32() uint32 {
|
||
|
return rand.Uint32()
|
||
|
}
|
||
|
|
||
|
// ExpFloat64 implements rand.ExpFloat64 on the grpcrand global source.
|
||
|
func ExpFloat64() float64 {
|
||
|
return rand.ExpFloat64()
|
||
|
}
|
||
|
|
||
|
// Shuffle implements rand.Shuffle on the grpcrand global source.
|
||
|
var Shuffle = func(n int, f func(int, int)) {
|
||
|
rand.Shuffle(n, f)
|
||
|
}
|