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// compile
// Copyright 2022 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.
package main
import "fmt"
type IntLike interface {
~int | ~int64 | ~int32 | ~int16 | ~int8
}
func Reduce[T any, U any, Uslice ~[]U](function func(T, U) T, sequence Uslice, initial T) T {
result := initial
for _, x := range sequence {
result = function(result, x)
}
return result
}
func min[T IntLike](x, y T) T {
if x < y {
return x
}
return y
}
// Min returns the minimum element of `nums`.
func Min[T IntLike, NumSlice ~[]T](nums NumSlice) T {
if len(nums) == 0 {
return T(0)
}
return Reduce(min[T], nums, nums[0])
}
// VarMin is the variadic version of Min.
func VarMin[T IntLike](nums ...T) T {
return Min(nums)
}
type myInt int
func main() {
fmt.Println(VarMin(myInt(1), myInt(2)))
seq := []myInt{1, 2}
fmt.Println(Min(seq))
fmt.Println(VarMin(seq...))
}
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