utils.go

package utils

import (
	"bytes"
	"fmt"
	"github.com/goccy/go-json"
	"runtime"
	"sync"
)

func InlineIFT[T any](condition bool, a T, b T) T {
	if condition {
		return a
	}
	return b
}

func PrettyJson(data interface{}) (string, error) {
	empty := ""
	tab := "\t"
	buffer := new(bytes.Buffer)
	encoder := json.NewEncoder(buffer)
	encoder.SetIndent(empty, tab)

	err := encoder.Encode(data)
	if err != nil {
		return empty, err
	}
	return buffer.String(), nil
}

func PrintMemStats() {
	var m runtime.MemStats
	runtime.ReadMemStats(&m)
	fmt.Printf("Alloc = %v MiB", bToMb(m.Alloc))
	fmt.Printf("\tTotalAlloc = %v MiB", bToMb(m.TotalAlloc))
	fmt.Printf("\tSys = %v MiB", bToMb(m.Sys))
	fmt.Printf("\tNumGC = %v\n", m.NumGC)
}

func bToMb(b uint64) uint64 {
	return b / 1024 / 1024
}

func LenSyncMap(m *sync.Map) int {
	var i int
	m.Range(func(k, v interface{}) bool {
		i++
		return true
	})
	return i
}