42 lines
564 B
Go
42 lines
564 B
Go
package number
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import (
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"crypto/rand"
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"math/big"
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"golang.org/x/exp/constraints"
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)
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func Min[T constraints.Ordered](vs ...T) T {
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if len(vs) == 0 {
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var zero T
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return zero
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}
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min := vs[0]
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for _, v := range vs[1:] {
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if v < min {
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min = v
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}
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}
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return min
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}
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func Max[T constraints.Ordered](vs ...T) T {
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if len(vs) == 0 {
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var zero T
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return zero
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}
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max := vs[0]
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for _, v := range vs[1:] {
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if v > max {
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max = v
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}
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}
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return max
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}
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func RandomInt64(max int64) int64 {
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rnd, _ := rand.Int(rand.Reader, big.NewInt(max))
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return rnd.Int64()
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}
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