Zero number being ignored

[Mauricio Antunes]

Given this example:

package main

import (
	"fmt"

	"github.com/imdario/mergo"
)

type I struct {
	A int
	B int
}

func main() {
	dst := I{A: 0, B: 0}
	src := I{A: 1, B: 1}

	mergo.Map(&dst, src)

	fmt.Printf("%+v\n", &dst)
}

Output:

&{A:1 B:1}

How can I make the 0 to be replaced?

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[Dario Castañé]

@mauricioabreu false is the zero value for bool so it is IMO correct that mergo acts that way. You have the option WithOverwriteWithEmptyValue to include zero values also to overwrite.

[Mauricio Antunes]

@imdario thank you!