mapsize

README

MapSize

How much memory is occupied by map.

go get github.com/520MianXiangDuiXiang520/MapSize

package main

import (
	"fmt"
	"github.com/520MianXiangDuiXiang520/MapSize"
)

func main() {
	m := make(map[int]struct{})
	for i := 0; i < 100; i++ {
		m[i] = struct{}{}
	}
	fmt.Println(mapsize.Size(m)) // 1416
}

Documentation

Index

• func Size[K comparable, V any](m map[K]V) int64

Examples

• Size

Functions

func Size

func Size[K comparable, V any](m map[K]V) int64

Size returns how many bytes of memory a map occupies, which is an approximation, but has reference value

Example

m := make(map[int]struct{})
for i := 0; i < 100; i++ {
	m[i] = struct{}{}
}
fmt.Println(Size(m)) // 1416