codekingpro/portable-devtools

1// run2 3// Copyright 2021 The Go Authors. All rights reserved.4// Use of this source code is governed by a BSD-style5// license that can be found in the LICENSE file.6 7package main8 9import (10	"fmt"11)12 13type Ordered interface {14	~int | ~int8 | ~int16 | ~int32 | ~int64 |15		~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr |16		~float32 | ~float64 |17		~string18}19 20func Smallest[T Ordered](s []T) T {21	r := s[0] // panics if slice is empty22	for _, v := range s[1:] {23		if v < r {24			r = v25		}26	}27	return r28}29 30func main() {31	vec1 := []float64{5.3, 1.2, 32.8}32	vec2 := []string{"abc", "def", "aaa"}33 34	want1 := 1.235	if got := Smallest(vec1); got != want1 {36		panic(fmt.Sprintf("got %d, want %d", got, want1))37	}38	want2 := "aaa"39	if got := Smallest(vec2); got != want2 {40		panic(fmt.Sprintf("got %d, want %d", got, want2))41	}42}43