romanitalian

linters-settings:
  maligned:
      # print struct with more effective memory layout or not, false by default
      suggest-new: true

romanitalian

// $ maligned .

/Users/rmn/wks/src/github.com/romanitalian/alignment/main.go:8:10: struct of size 12 could be 8

romanitalian

// $ aligncheck .

github.com/romanitalian/alignment: /Users/rmn/wks/src/github.com/romanitalian/alignment/main.go:8:6: struct Foo could have size 8 (currently 12)

romanitalian

   type Foo struct {
        aaa [2]bool
        bbb int32
        ccc [2]bool
    }
    
    type Bar struct {
        aaa [2]bool
        ccc [2]bool
        bbb int64

romanitalian

package main

import (
	"fmt"
	"unsafe"
)

type Foo struct {
	aaa [2]bool // offset of bytes: 0
	bbb int32   // offset of bytes: 4

romanitalian

type Foo struct {
    aaa [2]bool // 2 bytes
    ccc [2]bool // 2 bytes
    bbb int32   // 4 bytes
}

romanitalian

type Foo struct {
    aaa [2]bool // 2 bytes
    bbb int32   // 4 bytes
    ccc [2]bool // 2 bytes
}

romanitalian

type Foo struct {
	aaa bool
	bbb int64
	ссс bool
	ddd bool
}

romanitalian

type Foo struct {
	aaa bool // 1
	bbb int32 // 4 (max)
	ссс bool // 1 
	ddd bool // 1
}

romanitalian

type Foo2 struct {
	aaa int32 // 4
	bbb int32 // 4
	ccc int32 // 4
}