obitools4/pkg/obiutils/minmax.go

package obiutils

import (
	log "github.com/sirupsen/logrus"
	"golang.org/x/exp/constraints"
)

func MinMax[T constraints.Ordered](x, y T) (T, T) {
	if x < y {
		return x, y
	}
	return y, x
}

func MinMaxSlice[T constraints.Ordered](vec []T) (min, max T) {
	if len(vec) == 0 {
		panic("empty slice")
	}

	min = vec[0]
	max = vec[0]
	for _, v := range vec {
		if v > max {
			max = v
		}
		if v < min {
			min = v
		}
	}

	return
}

func MaxMap[K comparable, T constraints.Ordered](values map[K]T) (K, T) {

	if len(values) == 0 {
		log.Panicf("empty map")
	}

	var maxKey K
	var maxValue T
	for k, v := range values {
		if v > maxValue {
			maxValue = v
			maxKey = k
		}
	}
	return maxKey, maxValue
}