Victor Perez MetalBlueberry

## main_test.go
package main_test

import (
	"encoding/xml"
	"io"
	"testing"

	"github.com/stretchr/testify/assert"
)

## failfast.go
package failfast

import (
	"context"
	"sync"
)

// FailFastWG allow synchronization between multiple parallel goroutines.
// If one fails, the common context is cancelled and the others should return.
type WaitGroup struct {
	package main_test

	import (
	"encoding/xml"
	"io"
	"testing"

	"github.com/stretchr/testify/assert"
	)
	package failfast

	import (
	"context"
	"sync"
	)

	// FailFastWG allow synchronization between multiple parallel goroutines.
	// If one fails, the common context is cancelled and the others should return.
	type WaitGroup struct {