nettools/common/convert.go

package commonUtils

import (
	"strconv"
	"strings"
)

// Converts all the types in
func ConvertArr[Tin any, Tout any](in []Tin, convertFunc CovertFunc[Tin, Tout]) (convertedItems []Tout, err error) {
	out := make([]Tout, len(in))
	for i, item := range in {
		outItem, err := convertFunc(item)
		if err != nil {
			return nil, err
		}
		out[i] = outItem
	}
	return out, nil
}

// More modern approach to parsing integers and floats using generics

func MustStr2Int[T Int](str string, base int, bitSize int) T {
	int, err := strconv.ParseInt(str, base, bitSize)
	if err != nil {
		panic("Error while trying to convert string to integer: " + err.Error())
	}
	return T(int)
}

func Str2Int[T Int](str string, base int, bitSize int) (T, error) {
	out, err := strconv.ParseInt(str, base, bitSize)
	return T(out), err
}

func MustStr2Float[T Float](str string, bitSize int) T {
	out, err := strconv.ParseFloat(str, bitSize)
	if err != nil {
		panic("Error while trying to convert string to float: " + err.Error())
	}
	return T(out)
}

func Str2Float[T Float](str string, bitSize int) (T, error) {
	out, err := strconv.ParseFloat(str, bitSize)
	return T(out), err
}

func Str2Bool(str string) (val bool, ok bool) {
	switch strings.ToLower(str) {
	case "true", "yes", "y", "t", "1":
		return true, true
	case "false", "no", "n", "f", "0":
		return false, true
	default:
		return false, false
	}
}