Do not rely on map order

equal_test.go

package equal_test

import (
	"testing"
)

func TestMapOrder(t *testing.T) {
	for i := 0; i < 100; i++ {

		a := map[string]interface{}{
			"a": "foo",
			"b": int64(1),
			"c": float64(1),
		}

		b := map[string]interface{}{
			"a": "foo",
			"b": int64(1),
			"c": float64(1),
		}

		// Go specifically randomizes the order of a map
		// https://go.dev/blog/maps
		if Pluck(0, a) != Pluck(0, b) {
			t.Fatalf("not equal at %d", i)
		}

	}
}

// Pluck returns the nth element of a map
func Pluck(nth int, thing map[string]interface{}) interface{} {
	i := 0
	for _, val := range thing {
		if nth == i {
			return val
		}
		i++
	}
	return nil
}