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// run
// Copyright 2021 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 Ordered interface {
~int | ~int8 | ~int16 | ~int32 | ~int64 |
~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr |
~float32 | ~float64 |
~string
}
func Smallest[T Ordered](s []T) T {
r := s[0] // panics if slice is empty
for _, v := range s[1:] {
if v < r {
r = v
}
}
return r
}
func main() {
vec1 := []float64{5.3, 1.2, 32.8}
vec2 := []string{"abc", "def", "aaa"}
want1 := 1.2
if got := Smallest(vec1); got != want1 {
panic(fmt.Sprintf("got %d, want %d", got, want1))
}
want2 := "aaa"
if got := Smallest(vec2); got != want2 {
panic(fmt.Sprintf("got %d, want %d", got, want2))
}
}