File: gen11.go

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golang-github-traefik-yaegi 0.16.1-2
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package main

import (
	"encoding/json"
	"fmt"
	"net/netip"
)

type Slice[T any] struct {
	x []T
}

type IPPrefixSlice struct {
	x Slice[netip.Prefix]
}

func (v Slice[T]) MarshalJSON() ([]byte, error) { return json.Marshal(v.x) }

// MarshalJSON implements json.Marshaler.
func (v IPPrefixSlice) MarshalJSON() ([]byte, error) {
	return v.x.MarshalJSON()
}

func main() {
	t := IPPrefixSlice{}
	fmt.Println(t)
	b, e := t.MarshalJSON()
	fmt.Println(string(b), e)
}

// Output:
// {{[]}}
// null <nil>